Description OBD-II Trouble Code Description for P0621 Alfa Romeo Generator Lamp/L Terminal Circuit What does this mean? OBD2 Code P0621 Alfa Romeo definition: The Engine Control Module (ECM) or Powertrain Control Module (PCM) uses the generator turn on signal circuit to control the load of the generator on the engine. A high side driver in…
Tag: P0621
P0621 Acura Generator Lamp L Control Circuit Malfunction
Description OBD-II Trouble Code Description for P0621 Acura Generator Lamp/L Terminal Circuit What does this mean? OBD2 Code P0621 Acura definition: The Engine Control Module (ECM) or Powertrain Control Module (PCM) uses the generator turn on signal circuit to control the load of the generator on the engine. A high side driver in the ECM/PCM…
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 description The ECM/PCM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM/PCM. When is the obd code mean? The Engine…
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 description The ECM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM. When is the obd code mean? The Engine…
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 description The ECM/PCM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM/PCM. When is the obd code mean? The Engine…
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 description The ECM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM. When is the obd code mean? The Engine…
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 description The ECM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM. When is the obd code mean? The Engine…
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 description The ECM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM. When is the obd code mean? The Engine…
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 description The ECM is detecting a high turn-on voltage at times. Possible causes could be the alternator or the ECM. When is the obd code mean? The Engine…