P0440 PONTIAC Evaporative Emission System

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…

P0446 PONTIAC Evaporative Emission Vent System Performance

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…

P0602 PONTIAC Powertrain Control Module Programming Error

Possible causes – Powertrain Control Module (PCM) not programed– PCM program– Faulty PCM– Wrong PCM Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0602 PONTIAC OBD Code Description This diagnostic trouble code (DTC) indicates that the Powertrain Control Module (PCM) internal EEPROM is not flashed with any vehicle software. If you install…

P1380 PONTIAC Misfire Detected – Rough Road Data Not Available

Possible causes – Repair other codes first Tech description If the P1380 code is set with other codes, repair other codes first and then clear the code. When is the obd code mean? If the Electronic Brake Control Module (EBCM) detects a condition which will not allow the EBCM to properly identify rough road situations…

P0741 PONTIAC Torque Converter Clutch Circuit Performance or Stuck Off

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…

P0218 PONTIAC Transmission Over Temperature Condition

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 PONTIAC OBD…

P0751 PONTIAC 1-2 Shift Solenoid Valve Performance – No First or Fourth Gear

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty 1-2 Shift Solenoid valve– 1-2 Shift Solenoid valve harness or connectors– 1-2 Shift Solenoid valve circuit is open or shorted Tech description When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the…

P0752 PONTIAC 1-2 Shift Solenoid Valve Performance – No Second or Third Gear

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty 1-2 Shift Solenoid valve– 1-2 Shift Solenoid valve harness or connectors– 1-2 Shift Solenoid valve circuit is open or shorted Tech description When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the…