Category: Chevrolet

P1621 Chevrolet Control Module Long Term Memory Performance Condition

P1621 Chevrolet Control Module Long Term Memory Performance Condition Possible causes – Faulty Powertrain Control Modules (PCM)– Low car battery voltage What about the obd code? If the checksum of the Electronically Erasable Programmable Read Only Memory (EEPROM) does not match a predetermined value by the Powertrain Control Modules (PCM), DTC P1621 Chevrolet will set….

P1614 Chevrolet Malfunction Indicator Lamp Request Signal High

P1614 Chevrolet Malfunction Indicator Lamp Request Signal High Possible causes – Faulty or not programmed ignition key– Faulty IMMU– Faulty Engine Control Module (ECM) Tech description This code is usually triggered when a not registered or damaged key is used to start the engine. When the starting operation is carried out five or more times…

P1615 Chevrolet Loss Of VTD Serial Data

P1615 Chevrolet Loss Of VTD Serial Data Possible causes – Faulty or not programmed ignition key– Faulty IMMU– Faulty Engine Control Module (ECM) Tech description This code is usually triggered when a not registered or damaged key is used to start the engine. When the starting operation is carried out five or more times consecutively…

P1611 Chevrolet Key ID Discord IMM-ECM

P1611 Chevrolet Key ID Discord IMM-ECM Possible causes – Faulty or not programmed ignition key– Faulty IMMU– Faulty Engine Control Module (ECM) Tech description This code is usually triggered when a not registered or damaged key is used to start the engine. When the starting operation is carried out five or more times consecutively with…

P1612 Chevrolet Loss of IPM Serial Data

P1612 Chevrolet Loss of IPM Serial Data Possible causes – Faulty or not programmed ignition key– Faulty IMMU– Faulty Engine Control Module (ECM) Tech description This code is usually triggered when a not registered or damaged key is used to start the engine. When the starting operation is carried out five or more times consecutively…

P1613 Chevrolet Loss of DIM Serial Data

P1613 Chevrolet Loss of DIM Serial Data Possible causes – Faulty or not programmed ignition key– Faulty IMMU– Faulty Engine Control Module (ECM) Tech description This code is usually triggered when a not registered or damaged key is used to start the engine. When the starting operation is carried out five or more times consecutively…

P160C Chevrolet Engine Calibration Information Not Programmed-GPCM

P160C Chevrolet Engine Calibration Information Not Programmed-GPCM Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P160c Description The control functions for the fuel injection system are integrated in the Engine Control Module (ECM). During the manufacturing process, each injector’s flow rate is measured and recorded as injection quantity adjustment (IQA) flow rate…

P1610 Chevrolet Loss of PZM Serial Data

P1610 Chevrolet Loss of PZM Serial Data Possible causes – Faulty or not programmed ignition key– Faulty IMMU– Faulty Engine Control Module (ECM) Tech description This code is usually triggered when a not registered or damaged key is used to start the engine. When the starting operation is carried out five or more times consecutively…

P1605 Chevrolet Automatic Transmission Communication

P1605 Chevrolet Automatic Transmission Communication Possible causes – Weak battery– Faulty Transmission Control Module (TCM)– Harness is open or shorted between (TCM) and Engine Control Module (ECM)– Poor circuit electrical connection between (TCM) and (ECM) What about the obd code? Malfunction is detected when an incorrect signal from Transmission control module (TCM) is sent to…