Possible causes – Faulty Distance Sensing and Cruise Control (DSCC) Module– DSCC Module harness is open or shorted– DSCC Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0104 BUICK OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits…
Tag: BUICK
U0181 BUICK Lost Communication With Dynamic Headlamp Leveling Control Module
Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 BUICK OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…
P0405 BUICK Exhaust Gas Recirculation Position Sensor Circuit Low Voltage
Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? An improper voltage signal is sent to Powertrain Control Module (PCM) through the valve Symptoms –…
P2135 BUICK Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation
Possible causes – Faulty electric throttle control actuator (TP sensor 1 and 2)– Throttle Position Sensor harness is open or shorted– Throttle Position Sensor circuit poor connection– Faulty accelerator pedal position sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2135 BUICK OBD Code Description The throttle Position (TP) sensors 1 and…
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…
P0343 BUICK Camshaft Position Sensor Circuit High 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…
P0704 BUICK Clutch Pedal Position Switch Circuit
Possible causes – Faulty Clutch Switch– Misadjusted Clutch Switch– Clutch Switch harness is open or shorted– Clutch Switch circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description Check clutch switch adjustment, the switch should open and close when the clutch pedal is depress. If the switch is properly adjusted, replaced the clutch switch…
P2433 BUICK Secondary Air Injection System Pressure Sensor Circuit High Voltage
Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection When is the obd code mean? The PCM has detected a high voltage condition on the AIR Pressure Sensor signal circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2433…
P2432 BUICK Secondary Air Injection System Pressure Sensor Circuit Low Voltage
Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2432 BUICK OBD Code Description The Secondary Air Injection (AIR) System aids in the reduction of hydrocarbon exhaust emissions during a cold…
P0412 BUICK Secondary Air Injection Solenoid Relay Control Circuit
Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status changes causing the code P0412 to set. Symptoms – Engine…