Category: Chevrolet

P1663 Chevrolet Oil Life Lamp Control Circuit

P1664 Chevrolet 1-4 Upshift Lamp Control Circuit

P1665 Chevrolet Driver 3 Line 5

P1666 Chevrolet Driver 3 Line 6

P1658 Chevrolet Starter Enable Relay Control Circuit

P1660 Chevrolet Cooling Fans Control Circuit

P1661 Chevrolet MIL Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1662 Chevrolet Cruise Control Inhibit Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1654 Chevrolet Recirculation Override Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1655 Chevrolet EVAP Purge Solenoid Control Circuit Possible causes – Faulty EVAP Purge Solenoid– EVAP Purge Solenoid harness is open or shorted– EVAP Purge Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1655 Chevrolet Description The Powertrain Control Module (PCM) has detected an improper voltage level on…

P1656 Chevrolet OCV Circuit Malfunction Bank 1

P1657 Chevrolet 1-4 Upshift Solenoid Control Circuit

P1651 Chevrolet Power Steering Pressure Switch Input Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1652 Chevrolet Powertrain Induced Chassis Pitch Output Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1653 Chevrolet Power Steering Output Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1650 Chevrolet Control Module Output B Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1645 Chevrolet Evaporative Emission (EVAP) Vent Solenoid Contorl Circuit

P1646 Chevrolet EVAP Vent Solenoid Output Circuit Possible causes – Faulty EVAP Vent Solenoid– EVAP Vent Solenoid harness is open or shorted– EVAP Vent Solenoid circuit poor electrical connection What about the obd code? The Powertrain Control Module (PCM) has detected the EVAP Vent Solenoid circuit was low Symptoms – Engine Light ON (or Service…

P1647 Chevrolet Engine Speed Signal Circuit Problem Tech description There are seven (7) codes listed on the service manual for the P1647 Chevrolet code. Try reseting the code first, and if the code comes back, check fuses and the Engine Control Module (ECM) connector. P1647 Chevrolet Description P1647 Chevrolet – Power Command Signal Circuit Low…

P1648 Chevrolet Anti-Theft Device Wrong Security Code Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P1648 Chevrolet Description The Engine Control Module (ECM), the…