P1625 Buick PCM System Reset

P1626 Buick Theft Deterrent Fuel Enable Signal Not Received/ B+ Supply To VCRM A/C Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park…

P1617 Buick Engine Oil Level Switch Circuit

P1618 Buick SBDS Interactive Codes Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave –…

P1618 Buick SBDS Interactive Codes

P1619 Buick Engine Oil Life Monitor Reset Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano –…

P1619 Buick Engine Oil Life Monitor Reset Circuit

P1621 Buick 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 Buick will set….

P1621 Buick Control Module Long Term Memory Performance Condition

P1622 Buick Immobilizer ID Does Not Match Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick…

P1613 Buick Loss of DIM Serial Data

P1614 Buick 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…

P1614 Buick Malfunction Indicator Lamp Request Signal High

P1615 Buick 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…

P1615 Buick Loss Of VTD Serial Data

P1616 Buick SBDS Interactive Codes Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave –…

P1616 Buick SBDS Interactive Codes

P1617 Buick Engine Oil Level Switch Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick…

P160C Buick Engine Calibration Information Not Programmed-GPCM

P1610 Buick 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…

P1610 Buick Loss of PZM Serial Data

P1611 Buick 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…

P1611 Buick Key ID Discord IMM-ECM

P1612 Buick 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…

P1612 Buick Loss of IPM Serial Data

P1613 Buick 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…

P1607 Buick MIL O/P Circuit Malfunction

P1608 Buick Engine Control Module (ECM)/Powertrain Control Module (PCM) Internal Circuit Malfunction Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick…

P1609 Buick Loss Of TCS Serial Data

P160C Buick 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…

P1603 Buick ECU-TCU Communication Error

P1604 Buick No ID From ECU Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick…

P1604 Buick No ID From ECU

P1605 Buick 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…

P1605 Buick Automatic Transmission Communication

P1606 Buick Acceleration Sensor – Abnormal Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick…

P1606 Buick Acceleration Sensor – Abnormal

P1607 Buick MIL O/P Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1607 Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal…