Possible causes – Faulty Cooling Fan Relay– Cooling Fan Relay harness is open or shorted– Cooling Fan Relay circuit poor electrical component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Cooling Fan not working P1642 PONTIAC OBD Code Description Ignition voltage is supplied to the Cooling Fan relay coil. The Powertrain…
Tag: PONTIAC
P0335 PONTIAC Crankshaft Position Sensor A Circuit Malfunction
Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection When is the obd code mean? The Powertrain Control Module (PCM) determines no signal from the Crankshaft Position (CKP) sensor for less than 3 seconds. Symptoms – Engine Light ON (or Service Engine…
P0336 PONTIAC Crankshaft Position Sensor A Circuit Range/Performance
Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection– Signal plate may be damage– Starter motor may be faulty– Starting system circuit– Dead or weak battery When is the obd code mean? The crankshaft position sensor (POS) signal is not detected by…
P1371 PONTIAC Missing Low Resolution Signal
Possible causes – Faulty Crankshaft Sensor– Crankshaft Sensor harness is open or shorted– Crankshaft Sensor circuit poor electrical connection– Faulty Ignition Control Module When is the obd code mean? The Powertrain Control Module (PCM) detects a predetermined amount of high resolution pulses before detecting any low resolution pulses. Symptoms – Engine Light ON (or Service…
U0104 PONTIAC Lost Communication With Distance Sensing and Cruise Control Module
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 PONTIAC OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits…
U0181 PONTIAC 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 PONTIAC OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…
P0405 PONTIAC 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 PONTIAC 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 PONTIAC OBD Code Description The throttle Position (TP) sensors 1 and…
P0719 PONTIAC 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 PONTIAC 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…