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Tag: P0621

P0621 CADILLAC Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM is detecting a high turn-on voltage at times. Possible causes

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Posted in OBDII Powertrain(P) Codes    Tagged cadillac, P0621   

P0621 BUICK Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 BUICK Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged buick, P0621   

P0621 CHEVROLET Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 CHEVROLET Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged chevrolet, P0621   

P0621 GMC Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 GMC Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged gmc, P0621   

P0621 SATURN Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 SATURN Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged P0621, saturn   

P0621 PONTIAC Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 PONTIAC Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged P0621, pontiac   

P0621 Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM/PCM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged P0621   

P0621 SUZUKI Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM/PCM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 SUZUKI Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged P0621, SUZUKI   

P0621 ISUZU Generator Lamp L Control Circuit Malfunction

Possible causes – Battery charge– Faulty Generator– Generator harness is open or shorted– Generator circuit poor electrical connection– Engine Control Module (ECM) controlled generator– Faulty ECM Tech notes The ECM/PCM is detecting a high turn-on voltage at times. Possible causes

Read More P0621 ISUZU Generator Lamp L Control Circuit Malfunction
Posted in OBDII Powertrain(P) Codes    Tagged ISUZU, P0621   

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