OBD-II Trouble Codes

P2BAC Code: NOx Exceedance – Deactivation of EGR

Did your OBD2 scanner register a P2BAC code? Here’s what it means, its usual causes and symptoms, as well as…

2 years ago

P2471 Code: Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 4

Summary The diagnostic trouble code (DTC) P2471 stands for “Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 4.” Your…

2 years ago

P2452 Code: Diesel Particulate Filter Pressure Sensor “A” Circuit

Summary The diagnostic trouble code (DTC) P2452 indicates “Diesel Particulate Filter Pressure Sensor 'A' Circuit.”If the powertrain control module (PCM)…

2 years ago

P2120 Code: Throttle Position Sensor/Switch C Circuit Malfunction

Summary The P2120 code stands for “Throttle Position Sensor/Switch C Circuit Malfunction.” It’s set by the PCM when it detects…

2 years ago

P2190 Code: System Too Rich Off Idle Bank 2

P2190 is a generic trouble code indicating a rich condition that exists above idle but not necessarily at idle. What…

2 years ago

P2125 Code: Throttle/Pedal Position Sensor/Switch “E” Circuit

Summary Diagnostic trouble code P2125 stands for “Throttle/Pedal Position Sensor/Switch ‘E’ Circuit.” The powertrain control module (PCM) triggers this code…

2 years ago

P2331 Code: Ignition Coil K Primary Control Circuit High

Summary DTC P2331 stands for “Ignition Coil K Primary Control Circuit High.” It’s logged when the voltage in the ignition…

2 years ago

P0763 Code: Shift Solenoid C Electrical

Automatic transmissions have multiple shift solenoids, often labeled A, B, and C. The shift solenoid circuit helps the powertrain control…

2 years ago

P2534 Code: Ignition Switch Run/Start Position Circuit Low

Summary The P2534 code stands for “Ignition Switch Run/Start Position Circuit Low.” It’s logged when the module detects a voltage…

2 years ago

P2503 Code: Charging System Voltage Low

Summary The P2503 code stands for “Charging System Output Low.” It’s set once the PCM detects the battery voltage falling…

2 years ago