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 CADILLAC OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits…
Tag: CADILLAC
U0181 CADILLAC 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 CADILLAC OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…
P0405 CADILLAC 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 –…
P1336 CADILLAC Crankshaft Position System Variation Not Learned
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 CADILLAC OBD Code Description The Crankshaft Position…
P0336 CADILLAC 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 CADILLAC 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…
P3400 CADILLAC Cylinder Deactivation System Performance
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…
P3401 CADILLAC Cylinder 1 Deactivation Solenoid Control Circuit
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…
P2601 CADILLAC 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 CADILLAC 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…