P2601 BUICK Auxiliary Coolant Pump Performance

Possible causes – Faulty Auxiliary Coolant Pump Relay– Blocked pump control passage– Faulty Auxiliary Coolant Pump– Auxiliary Coolant Pump harness is open or shorted– Auxiliary Coolant Pump circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) detects the engine coolant temperature remains greater than 110

P0719 BUICK Brake Switch Circuit Low Input

Possible causes – Faulty Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection When is the obd code mean? When the Powertrain Control Module (PCM) detects an open brake switch circuit (0 volts, low input) during accelerations, then the P0719 is set. Symptoms – Engine Light ON (or Service…

P0724 BUICK Brake Switch Circuit High Input

Possible causes – Faulty Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection– Misadjusted Brake Switch When is the obd code mean? The stop light switch does not turn off even once vehicle is driven. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Stop lights may…

P0340 BUICK Camshaft Position Sensor A Circuit Malfunction

Possible causes – Faulty Camshaft Position Sensor– Camshaft Position Sensor harness is open or shorted– Camshaft Position Sensor circuit poor electrical connection– Faulty starter motor– Starting system circuit– Dead (Weak) battery Tech description On some Buick models the camshaft position sensor is part Ignition Control Module (ICM) (aka igniter) When is the obd code mean?…

P0341 BUICK Camshaft Position Sensor A Circuit Range/Performance

Possible causes – Faulty Camshaft Position Sensor– Camshaft Position Sensor harness is open or shorted– Camshaft Position Sensor circuit poor electrical connection– Faulty starter motor– Starting system circuit– Dead (Weak) battery Tech description On some Buick models the camshaft position sensor is part Ignition Control Module (ICM) (aka igniter) When is the obd code mean?…

P0342 BUICK Camshaft Position Sensor Circuit Low Voltage

Possible causes – Faulty Camshaft Position Sensor– Camshaft Position Sensor harness is open or shorted– Camshaft Position Sensor circuit poor electrical connection– Faulty starter motor– Starting system circuit– Dead (Weak) battery Tech description Sometimes and in some models, low battery voltage or a weak starter can can trigger a Camshaft Position Sensor code. When is…

P1676 BUICK EVAP Canister Purge Solenoid Control Circuit Fault

Possible causes – EVAP Canister Purge Solenoid harness is open or shorted – EVAP Canister Purge Solenoid circuit poor electrical connection – Faulty EVAP Canister Purge Solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1676 BUICK OBD Code Description The Engine Control Module (ECM) has detected an improper voltage level on…

P1675 BUICK EVAP Vent Solenoid Control Circuit

Possible causes – EVAP canister vent control solenoid harness is open or shorted – EVAP canister vent control solenoid circuit poor electrical connection – Faulty EVAP canister vent control solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Possible a noticeable fuel odor caused by the release of fuel vapors P1675…

P1125 BUICK Accelerator Pedal Position Sensor Fault

Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection When is the obd code mean? The Powertrain Control Module (PCM) detects that the difference between Accelerator Pedal Position (APP) sensor 1 and APP sensor 2 is more than the…

P2138 BUICK Accelerator Pedal Position Sensor 1-2 Correlation

Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection– Faulty Electric Throttle Control Actuator When is the obd code mean? The Engine Control Module (ECM) has detected that the APP sensor 1 and APP sensor 2 disagree more than…