OBD-II Trouble Codes

P0607 Code: Control Module Performance

Summary Diagnostic trouble code (DTC) P0607 stands for “Control Module Performance.” The code is triggered once the PCM perceives that…

3 years ago

P0449 Code: Evaporative Emission System Vent Control Circuit Intermittent

Summary Code P0449 stands for “Evaporative System Vent Control Circuit Malfunction.” It’s logged when the PCM detects that the EVAP…

3 years ago

P0404 Code: Exhaust Gas Recirculation Circuit Range/Performance Problem

Summary The P0404 code stands for “Exhaust Gas Recirculation Circuit Range/Performance Problem.” It’s triggered when the powertrain control module (PCM)…

3 years ago

P0004 Code: Fuel Volume Regulator Control Circuit High

Summary If your vehicle logs a P0004 code, it means that the fuel volume regulator’s electrical readings have gone above…

3 years ago

P0022 Code: Intake “A” Camshaft Position – Timing Over-Retarded (Bank 2)

Summary Diagnostic trouble code (DTC) P022 code stands for “Intake “A” Camshaft Position – Timing Over-Retarded (Bank 2).” The code…

3 years ago

P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

Summary DTC P0135 stands for “Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)”, and this triggers when the…

3 years ago

P0601 Code: Internal Control Module Memory Checksum Error

Summary The P0601 diagnostic trouble code stands for “Internal Control Module Memory Checksum Error.” It’s logged when the PCM detects…

3 years ago

P0336 Code: Crankshaft Position Sensor “A” Circuit Range / Performance

Summary Diagnostic trouble code (DTC) P0336 stands for “Crankshaft Position Sensor A Circuit Range/Performance.” It’s set when the powertrain control…

3 years ago

U1000 Code: Manufacturer-Specific Network Communication Code

Summary The U1000 code stands for “Manufacturer-Specific Network Communication Code,” which typically means one module didn’t receive the message it…

3 years ago

P0068 Code: MAP/MAF – Throttle Position Correlation

Summary The P0068 code is logged once the PCM senses that the readings from the MAP/MAF sensors contradict the data…

3 years ago