Tag: CHEVROLET

Possible causes – Faulty Cylinder Deactivation Solenoid– Cylinder Deactivation Solenoid harness is open or shorted– Cylinder Deactivation Solenoid circuit poor electrical connection When is the obd code mean? The control module detects that the actual measured values from the MAF sensor, MAP sensor, and TP sensor, is not within the range of the calculated values…

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 CHEVROLET OBD Code Description Ignition voltage is supplied to the Cooling Fan relay coil. The Powertrain…

Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection Tech description User Submitted Video 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…

Possible causes – Faulty crankshaft position sensor– Crankshaft position sensor harness is open or shorted– Crankshaft position sensor circuit poor electrical connection Tech description 01 Chev S-10 Crk sensor User Submitted Video When is the obd code mean? The Powertrain Control Module (PCM) determines no signal from the Crankshaft Position (CKP) sensor for less than…

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 Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of Power– Engine Stall– Engine difficult to start P1336 CHEVROLET OBD Code Description The Crankshaft Position…

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…

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…

Possible causes – Faulty Cylinder Deactivation Solenoid– Cylinder Deactivation Solenoid harness is open or shorted– Cylinder Deactivation Solenoid circuit poor electrical connection When is the obd code mean? The control module detects that the actual measured values from the MAF sensor, MAP sensor, and TP sensor, is not within the range of the calculated values…

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…

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 Chevrolet models the camshaft position sensor is part Ignition Control Module (ICM) (aka igniter) When is the obd code mean?…