Tag: CADILLAC

Possible causes – Three way catalyst converter Bank 2– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Powertrain Control Module (PCM) Tech description As the code description implies the P0430 code means that the vehicle’s control module has detected that the three-way…

Possible causes – Repair other codes first Tech description If the P1381 code is set with other codes, repair other codes first and then clear the code. When is the obd code mean? If a loss of communication occurs which causes the Powertrain Control Module (PCM) not to receive rough road information while DTC P0300…

Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 CADILLAC OBD Code Description The Transmission Control Module (TCM) power up the temperature sensor is located inside of the control solenoid (w/body and TCM) valve assembly…

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem When is the obd code mean? Lock-up does not occur when driving in lock-up range or lockup…

Possible causes – Low transmission fluid level– Transmission cooling system concerns When is the obd code mean? When the Powertrain Control Module (PCM) detects a high transmission fluid temperature (TFT) for a long period of time, then code P0218 will set. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0218 CADILLAC OBD…

Possible causes – Mechanical timing fault– Blocked oil passage– Low oil level– Failed actuator assembly– Faulty camshaft position sensor– Faulty crankshaft position sensor Tech description If this DTC started after recent internal engine repairs, inspect for proper engine mechanical timing. With the camshaft cover removed and the #1 cylinder at top dead center, make sure…

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0442 code means that the control module has detected a…

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0455 it

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking– Faulty vent solenoid– Faulty EVAP purge switch Tech description The P0440 code means…

Possible causes – Plugged vapor canister– Faulty vent solenoid– Pinched or blocked EVAP hose– Faulty FTP sensor Tech description Dirt and dust intrusion into the EVAP canister vent hose assembly, resulting in restricted air flow, may cause this condition. When is the obd code mean? The Powertrain Control Module (PCM) sets the P0446 code if…