Porsche OBD-II Trouble Codes
Is your Porsche check engine light on? When your Porsche has a problem, its On-Board Diagnostic (OBD) system will trigger a code so a technician can better identify the issue. If you have access to an OBD-II scanner, feel free to search our database so you can get a better idea what might be wrong with your vehicle.
Code
P0010 Common Problems That Trigger This Code
Powertrain Control Module (PCM) failure, Variable valve timing actuator failure, Wiring issue Code
P0011 Common Problems That Trigger This Code
Camshaft variable timing solenoid failure, Engine oil level is too low, The engine is not timed correctly, The engine oil does not meet the manufacturer's requirements, Variable valve timing actuator failure, Worn timing chain Code
P0012 Common Problems That Trigger This Code
Camshaft variable timing solenoid failure, Engine oil level is too low, The engine is not timed correctly, The engine oil does not meet the manufacturer's requirements, Variable valve timing actuator failure, Worn timing chain Code
P0013 Common Problems That Trigger This Code
Powertrain Control Module (PCM) failure, Variable valve timing actuator failure, Wiring issue Code
P0014 Common Problems That Trigger This Code
Camshaft variable timing solenoid failure, Engine oil level is too low, The engine is not timed correctly, The engine oil does not meet the manufacturer's requirements, Variable valve timing actuator failure, Worn timing chain Code
P0101 Common Problems That Trigger This Code
Large vacuum leaks, Split Intake Air Boot or PCV Hose, Defective intake manifold gaskets, Mass Airflow Sensor (MAF), Mass Air Flow Sensor circuit and or wiring problems, Defective Barometric Pressure Sensor, Dirty or contaminated Mass Air Flow Sensing wire or filament, PCM software needs to be updated Code
P0102 Common Problems That Trigger This Code
The Mass Airflow Sensor (MAF) Sensor is unplugged or the wiring is damaged, Loose or corroded electrical terminals in the MAF Sensor circuit, Faulty MAF Sensor Code
P0113 Common Problems That Trigger This Code
Defective Intake Air Temperature Sensor, Dirty air filter, Defective Mass Air Flow Sensor, Faulty or corroded Intake Air Temperature Sensor wiring or connections Code
P0128 Common Problems That Trigger This Code
Defective Engine Thermostat, Defective Engine Coolant Temperature Sensor, Defective Intake Air Temperature Sensor, Defective Cooling System, Low Engine Coolant, Dirty Engine Coolant causing incorrect Coolant Temperature Sensor readings, Defective/always running Engine Cooling fan(s) Code
P0135 Common Problems That Trigger This Code
Defective Oxygen Sensor/Air Fuel Ratio Sensor, defective Oxygen Sensor/Air Fuel Ratio Sensor Heater Circuit, Exhaust System Leak, Intake Air System leak, Low Fuel Pressure, Defective Engine Coolant Temperature Sensor, Defective sensor wiring and/or circuit problem, PCM software needs to be updated, Defective PCM Code
P0171 Common Problems That Trigger This Code
Control module software needs to be updated, Vacuum leaks (intake manifold gaskets, vacuum hoses, PCV hoses, etc.), Mass air flow sensor, Plugged fuel filter or weak fuel pump, Plugged or dirty fuel injectors Code
P0174 Common Problems That Trigger This Code
PCM software needs to be updated, Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.), Faulty Mass Airflow (MAF) Sensor, Plugged Fuel Filter or weak Fuel Pump, Plugged or dirty Fuel Injectors Code
P0200 Common Problems That Trigger This Code
Defective Fuel Injector, Faulty or corroded Fuel Injector, wiring, and/or connections, Plugged Fuel Injector, Dirt in the Fuel Injector Code
P0201 Common Problems That Trigger This Code
Defective Fuel Injector, Faulty or corroded Fuel Injector, wiring, and/or connections, Plugged Fuel Injector, Dirt in the Fuel Injector Code
P0202 Common Problems That Trigger This Code
Malfunction of the Fuel Injector, Malfunction of the PCM Fuel Injector driver circuit, Defective wiring/connections in the Fuel Injector wiring harness, Defective Fuel Injector power circuit(s) Code
P0203 Common Problems That Trigger This Code
Fuel injector failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P0205 Common Problems That Trigger This Code
Fuel injector failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P0300 Common Problems That Trigger This Code
Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable), Incorrect ignition timing, Vacuum leak(s), Low or weak fuel pressure, Improperly functioning EGR system, Defective Mass Air Flow Sensor, Defective Crankshaft and/or Camshaft Sensor, Defective Throttle Position Sensor, Mechanical engine problems (i.e.—low compression, leaking head gasket(s), or valve problems) Code
P0301 Common Problems That Trigger This Code
Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable), Incorrect ignition timing, Vacuum leak(s), Low or weak fuel pressure, Improperly functioning EGR system, Defective Mass Air Flow Sensor, Defective Crankshaft and/or Camshaft Sensor, Defective Throttle Position Sensor, Mechanical engine problems (i.e.—low compression, leaking head gasket(s), or valve problems) Code
P0302 Common Problems That Trigger This Code
Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable), Incorrect ignition timing, Vacuum leak(s), Low or weak fuel pressure, Improperly functioning EGR system, Defective Mass Air Flow Sensor, Defective Crankshaft and/or Camshaft Sensor, Defective Throttle Position Sensor, Mechanical engine problems (i.e.—low compression, leaking head gasket(s), or valve problems) Code
P0303 Common Problems That Trigger This Code
Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable), Incorrect ignition timing, Vacuum leak(s), Low or weak fuel pressure, Improperly functioning EGR system, Defective Mass Air Flow Sensor, Defective Crankshaft and/or Camshaft Sensor, Defective Throttle Position Sensor, Mechanical engine problems (i.e.—low compression, leaking head gasket(s), or valve problems) Code
P0304 Common Problems That Trigger This Code
Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable), Incorrect ignition timing, Vacuum leak(s), Low or weak fuel pressure, Improperly functioning EGR system, Defective Mass Air Flow Sensor, Defective Crankshaft and/or Camshaft Sensor, Defective Throttle Position Sensor, Mechanical engine problems (i.e.—low compression, leaking head gasket(s), or valve problems) Code
P0401 Common Problems That Trigger This Code
Restriction in the EGR passages, usually caused by carbon buildup, The EGR Valve is defective, Lack of proper vacuum or electrical signal to the EGR valve, Malfunctioning EGR Vacuum supply solenoid, Lack of proper EGR system feedback to the computer from the: Manifold Absolute Pressure Sensor (MAP), Differential EGR Pressure Feedback Sensor (DPFE), EGR Valve Position Sensor (EVP), EGR Temperature Sensor Code
P0420 Common Problems That Trigger This Code
Inefficient Catalytic Converter(s), Defective Front or Rear Oxygen Sensor(s), Misfiring engines Code
P0430 Common Problems That Trigger This Code
Defective Catalytic Converter, Internal engine damage resulting in high oil consumption and/or a leaking Head Gasket has damaged the Catalytic Converter Code
P0440 Common Problems That Trigger This Code
Missing fuel cap, Defective or damaged fuel cap, Distorted or damaged Fuel Tank Filler Neck, Torn or punctured Evaporative system hose(s), Defective Fuel Tank Sending Unit gasket or seal, Split or damaged Carbon Canister, Defective Evaporative Vent Valve and/or Evaporative Purge Valve, Defective or damaged fuel tank Code
P0441 Common Problems That Trigger This Code
Missing fuel cap, Stuck open or closed purge valve, Defective or damaged fuel cap, Distorted, damaged or cracked Fuel Tank Filler Neck, Torn or punctured Evaporative system hose(s), Defective Fuel Tank Sending Unit gasket or seal, Split or damaged Carbon Canister, Defective Evaporative Vent Valve, Defective or damaged fuel tank Code
P0442 Common Problems That Trigger This Code
Defective or damaged fuel cap, Distorted or damaged Fuel Tank Filler Neck, Small tear or puncture in the Evaporative system hose(s) and/or Carbon Canister, Defective Fuel Tank Sending Unit gasket or seal, Small split in a seam of the Carbon Canister, Defective Evaporative Vent Valve and/or Evaporative Purge Valve, Defective or damaged Fuel Tank, Defective Fuel Tank Pressure Sensor, Defective Leak Detection Pump, Slightly loose and/or worn clamps or hardened O-rings anywhere in the EVAP system Code
P0455 Common Problems That Trigger This Code
Missing fuel cap, Defective or damaged fuel cap, Distorted or damaged Fuel Tank Filler Neck, Torn or punctured Evaporative system hose(s), Defective Fuel Tank Sending Unit gasket or seal, Split or damaged Carbon Canister, Defective Evaporative Vent Valve and/or Evaporative Purge Valve, Defective or damaged fuel tank, Defective Fuel Tank Pressure Sensor Code
P0500 Common Problems That Trigger This Code
Defective Vehicle Speed Sensor, Defective Speedometer, Vehicle Speed Sensor wiring or connector, Communication (CAN) bus problems, Defective transmission or differential Vehicle Speed Sensor drive gear Code
P0501 Common Problems That Trigger This Code
Defective Vehicle Speed Sensor, Defective Speedometer, Vehicle Speed Sensor wiring or connector, Communication (CAN) bus problems, Defective transmission or differential Vehicle Speed Sensor drive gear Code
P0505 Common Problems That Trigger This Code
Defective Idle Air Control Motor, Intake Manifold Vacuum leaks, Carbon buildup in the Throttle Body air passages Code
P0506 Common Problems That Trigger This Code
Defective/sticking Idle Air Control Motor, Intake Manifold Vacuum leaks, Carbon buildup in the Throttle Body air passages, Defective Power Steering Pressure Switch Code
P0507 Common Problems That Trigger This Code
Defective/sticking Idle Air Control Motor, Intake Manifold Vacuum leaks, Carbon buildup in the Throttle Body air passages, Defective Coolant Temperature Sensor, Defective Charging System/Alternator, Defective Power Steering Pressure Switch Code
P0600 Common Problems That Trigger This Code
Defective PCM (Power Train Control Module), Defective PCM data bus wiring/connections, Defective PCM data bus ground circuit(s), Defective PCM or other control module controlled output devices, Defective CAN bus communication Code
P0601 Common Problems That Trigger This Code
Lack of proper voltage to the PCM, Defective PCM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices Code
P0602 Common Problems That Trigger This Code
Powertrain Control Module (PCM) failure, Wiring issue Code
P0603 Common Problems That Trigger This Code
Lack of proper voltage to the Keep Alive Memory connection on the PCM, Defective PCM Keep Alive Memory Module (KAM), Defective PCM ground circuit(s), Defective PCM controlled output devices Code
P0605 Common Problems That Trigger This Code
Lack of proper voltage and/or ground to the PCM, Defective PCM ROM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices Code
P0700 Common Problems That Trigger This Code
Defective Shift Solenoids, Defective Engine Coolant Temperature Sensor, Defective Valve Body, Dirty transmission fluid that restricts the hydraulic passages Code
P0705 Common Problems That Trigger This Code
Defective Transmission Range Sensor (PRNDL input), Defective Transmission Range Sensor (PRNDL input) wiring or connector, Defective Valve Body, Defective manual shift valve linkage, Dirty transmission fluid that restricts the hydraulic passages Code
P0706 Common Problems That Trigger This Code
Defective Transmission Range Sensor (PRNDL input), Defective Transmission Range Sensor (PRNDL input) wiring or connector, Defective Valve Body, Defective manual shift valve linkage, Dirty transmission fluid that restricts the hydraulic passages Code
P0720 Common Problems That Trigger This Code
Defective Output Speed Sensor, Defective Shift Solenoids, Defective Engine Coolant Temperature Sensor, Defective Valve Body, Dirty transmission fluid that restricts the hydraulic passages, Defective Output Speed Sensor wiring or connector Code
P0730 Common Problems That Trigger This Code
Defective Shift Solenoids, Defective Engine Coolant Temperature Sensor, Defective Valve Body, Dirty transmission fluid that restricts the hydraulic passages Code
P0841 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission fluid pressure sensor failure, Wiring issue Code
P0842 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission fluid pressure sensor failure, Wiring issue Code
P0845 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission fluid pressure sensor failure, Wiring issue Code
P0846 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission fluid pressure sensor failure, Wiring issue Code
P0847 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission fluid pressure sensor failure, Wiring issue Code
P0901 Common Problems That Trigger This Code
Clutch master cylinder failure, Clutch solenoid failure, Transmission Control Module (TCM) failure Code
P0935 Common Problems That Trigger This Code
Hydraulic power unit assembly failure, Transmission Control Module (TCM) failure, Wiring issue Code
P0942 Common Problems That Trigger This Code
Hydraulic power unit assembly failure, Transmission Control Module (TCM) failure, Wiring issue Code
P0944 Common Problems That Trigger This Code
Clogged transmission filter, Transmission fluid level is low, Transmission oil pump failure, Wiring issue Code
P0961 Common Problems That Trigger This Code
Transmission shift solenoid failure Code
P0A08 Common Problems That Trigger This Code
Inverter/converter assembly failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P0A0D Common Problems That Trigger This Code
High voltage safety device failure, Inverter/converter assembly failure, Power management control module failure, Service disconnect plug is not properly connected, Wiring issue Code
P0A0F Common Problems That Trigger This Code
Hybrid transaxle assembly failure, Internal engine failure, Power management control module failure Code
P0A7F Common Problems That Trigger This Code
Poor connections at the HV battery, A problem with the HV battery, ECU issues Code
P0A80 Common Problems That Trigger This Code
High voltage battery assembly failure Code
P0B22 Common Problems That Trigger This Code
Battery contactor assembly failure, Battery Energy Control Module (BECM) failure Code
P0B24 Common Problems That Trigger This Code
Battery Energy Control Module (BECM) failure, High voltage battery assembly failure, Wiring issue Code
P0B26 Common Problems That Trigger This Code
Battery Energy Control Module (BECM) failure, High voltage battery assembly failure, Wiring issue Code
P0B28 Common Problems That Trigger This Code
Battery Energy Control Module (BECM) failure, High voltage battery assembly failure, Wiring issue Code
P0B30 Common Problems That Trigger This Code
Battery Energy Control Module (BECM) failure, High voltage battery assembly failure, Wiring issue Code
P0C00 Common Problems That Trigger This Code
Drive motor generator power inverter control module failure Code
P0C09 Common Problems That Trigger This Code
Drive motor generator assembly failure, Drive motor generator power inverter control module failure Code
P0C11 Common Problems That Trigger This Code
Coolant system leak, Drive motor generator power inverter control module failure, Engine cooling fan failure, Water pump failure Code
P0C14 Common Problems That Trigger This Code
Coolant system leak, Drive motor generator power inverter control module failure, Engine cooling fan failure, Water pump failure Code
P0C15 Common Problems That Trigger This Code
Coolant system leak, Drive motor generator power inverter control module failure, Engine cooling fan failure, Water pump failure Code
P2000 Common Problems That Trigger This Code
Diesel Particulate Filter (DPF) failure, Intake air leak, Mass Airflow (MAF) sensor is dirty/loss of calibration Code
PP2002 Common Problems That Trigger This Code
Diesel Particulate Filter (DPF) failure, Intake air leak, Mass Airflow (MAF) sensor is dirty/loss of calibration Code
P2004 Common Problems That Trigger This Code
A failed IMRC actuator, A problem with the intake manifold or linkage, Wiring issues Code
P2006 Common Problems That Trigger This Code
Intake manifold runner control actuator failure, Powertrain Control Module (PCM) failure, Restricted vacuum lines Code
P2101 Common Problems That Trigger This Code
Accelerator Pedal Position (APP) assembly failure, Powertrain Control Module (PCM) failure, Throttle control motor failure, Wiring issue Code
P2122 Common Problems That Trigger This Code
Accelerator Pedal Position (APP) assembly failure, Powertrain Control Module (PCM) failure, Throttle control motor failure, Wiring issue Code
P2135 Common Problems That Trigger This Code
Accelerator Pedal Position (APP) assembly failure, Powertrain Control Module (PCM) failure, Throttle Position Sensor (TPS) failure, Wiring issue Code
P2138 Common Problems That Trigger This Code
Accelerator Pedal Position (APP) assembly failure, Powertrain Control Module (PCM) failure, Throttle Position Sensor (TPS) failure, Wiring issue Code
P2181 Common Problems That Trigger This Code
Engine coolant heater failure, Engine coolant level is too low, Thermostat failure Code
P2210 Common Problems That Trigger This Code
NOx sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2213 Common Problems That Trigger This Code
NOx sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2237 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2238 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2251 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2302 Common Problems That Trigger This Code
Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2303 Common Problems That Trigger This Code
Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2305 Common Problems That Trigger This Code
Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2308 Common Problems That Trigger This Code
Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2310 Common Problems That Trigger This Code
Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2401 Common Problems That Trigger This Code
Evap leak detection pump failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2402 Common Problems That Trigger This Code
Evap leak detection pump failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2422 Common Problems That Trigger This Code
EVAP vent valve failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2431 Common Problems That Trigger This Code
Air control solenoid failure, Powertrain Control Module (PCM) failure, Secondary Air System pressure sensor failure, Wiring issue Code
P2432 Common Problems That Trigger This Code
Air control solenoid failure, Powertrain Control Module (PCM) failure, Secondary Air System pressure sensor failure, Wiring issue Code
P2500 Common Problems That Trigger This Code
Alternator failure, Battery failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2501 Common Problems That Trigger This Code
Alternator failure, Battery failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2503 Common Problems That Trigger This Code
Alternator failure, Battery failure, Wiring issue Code
P2509 Common Problems That Trigger This Code
Powertrain Control Module (PCM) failure, Powertrain Control Module (PCM) power relay failure, Wiring issue Code
P250C Common Problems That Trigger This Code
Oil level sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2601 Common Problems That Trigger This Code
Coolant Heat Storage (CHS) water pump failure, Coolant Heat Storage (CHS) water pump relay, Powertrain Control Module (PCM) failure, Wiring issue Code
P2607 Common Problems That Trigger This Code
Intake air heater, Powertrain Control Module (PCM) failure, Wiring issue Code
P2609 Common Problems That Trigger This Code
Intake air heater, Powertrain Control Module (PCM) failure, Wiring issue Code
P2610 Common Problems That Trigger This Code
An internal PCM problem, A problem with the PCM power or ground circuit Code
P2614 Common Problems That Trigger This Code
Broken tone ring, Camshaft Position Sensor (CMP) failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2706 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission shift solenoid failure, Wiring issue Code
P2711 Common Problems That Trigger This Code
Internal transmission failure, Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission solenoid failure, Wiring issue Code
P2714 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission shift solenoid failure, Wiring issue Code
P2716 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission shift solenoid failure, Wiring issue Code
P2723 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission shift solenoid failure, Wiring issue Code
P2803 Common Problems That Trigger This Code
Powertrain Control Module (PCM) failure, Transmission Control Module (TCM) failure, Transmission range sensor failure, Wiring issue Code
P2806 Common Problems That Trigger This Code
Powertrain Control Module (PCM) failure, Transmission Control Module (TCM) failure, Transmission range sensor failure, Transmission range sensor is out of adjustment, Wiring issue Code
P2809 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission pressure control solenoid failure, Wiring issue Code
P2810 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission pressure control solenoid failure, Wiring issue Code
P2815 Common Problems That Trigger This Code
Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission pressure control solenoid failure, Wiring issue Code
P2A00 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2A01 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2A03 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2A04 Common Problems That Trigger This Code
Exhaust leak, Oxygen sensor failure, Powertrain Control Module (PCM) failure, Wiring issue Code
P2BA8 Common Problems That Trigger This Code
Faulty NOx Sensors, NOx Sensors harness is open or shorted, NOx Sensors circuit poor electrical connection, Fualty Diesel Particulate Filter (DPF) Code
P3000 Common Problems That Trigger This Code
Fuel level is too low, High voltage battery assembly failure, High voltage battery is not sufficiently charged Code
P3100 Common Problems That Trigger This Code
High voltage powertrain control module failure Code
P3400 Common Problems That Trigger This Code
Faulty Cylinder Deactivation System Code
P3401 Common Problems That Trigger This Code
Engine oil level is too low, Powertrain Control Module (PCM) failure, Variable valve timing solenoid failure, Wiring issue Code
B0081 Common Problems That Trigger This Code
Wiring issues, Control module problems, A problem with the airbag Code
C0040 Common Problems That Trigger This Code
A faulty wheel speed sensor, A problem with the wheel speed sensor circuit, Reluctor issues, A problem with the ABS module Code
U0001 Common Problems That Trigger This Code
A faulty wheel speed sensor, A problem with the wheel speed sensor circuit, Reluctor issues, A problem with the ABS module Code
U0073 Common Problems That Trigger This Code
A faulty control module, A problem with the CAN bus Code
U0100 Common Problems That Trigger This Code
A faulty PCM, A problem with the control module circuit, A problem with the CAN bus Code
U0107 Common Problems That Trigger This Code
A dead battery, A faulty TAC module, A problem with TAC module circuit, A problem with the CAN bus Code
U0121 Common Problems That Trigger This Code
A dead battery, A faulty ABS module, A problem with ABS module circuit, A problem with the CAN bus Don't See the Code You're Looking For?
If your search is coming up blank, it's likely your code is less common and should be checked out by one of our service technicians. Codes starting with "P1" are Porsche-specific, and should also be diagnosed by one of our certified Porsche specialists. Our team has access to the latest and most advanced Porsche diagnostic equipment, ensuring your vehicle is repaired accurately and to the latest Porsche standards.
For more information on Porsche OBD-II trouble codes, contact us today at 469-983-3168 to speak with one of our knowledgeable service teammates, or schedule a service appointment with our online form.