What causes a p0690 Chevrolet engine to light up?

What causes a p0690 Chevrolet engine to light up?

P0690 CHEVROLET Possible Causes Weak battery Low voltage while cranking Faulty Engine Control Module (ECM) power relay ECM power relay harness is open or shorted ECM power relay circuit poor electrical connection Blown ECM fuse Faulty ECM

What does the trouble code p0690 stand for?

P0690 trouble code definition. A P0690 trouble code is related to a vehicle’s engine control module (ECM) or powertrain control module and its direct power supply from the battery.

What causes a p0690 ECM power relay code?

A P0690 code can have a variety of causes, but the most common are: Faulty ECM/PCM relay. Blown ECM/PCM fuse. Bad ECM/PCM grounds. Bad battery. Faulty battery cables.

What kind of diagnostic scanner is needed for p0690?

A diagnostic scanner and a digital volt/ohmmeter (DVOM) will be required to diagnose a code P0690. A source of reliable vehicle information will also be necessary. From it you will glean diagnostic flow charts, wiring diagrams, connector face views, connector pin-out charts, and component locators.

P0690 CHEVROLET Possible Causes Weak battery Low voltage while cranking Faulty Engine Control Module (ECM) power relay ECM power relay harness is open or shorted ECM power relay circuit poor electrical connection Blown ECM fuse Faulty ECM

P0690 trouble code definition. A P0690 trouble code is related to a vehicle’s engine control module (ECM) or powertrain control module and its direct power supply from the battery.

A P0690 code can have a variety of causes, but the most common are: Faulty ECM/PCM relay. Blown ECM/PCM fuse. Bad ECM/PCM grounds. Bad battery. Faulty battery cables.

What causes a fuel pump OBD code p069e?

Code P069E is typically caused by one of the following: 1 A faulty fuel pump 2 A failed fuel pressure sensor 3 A bad fuel pressure relay 4 Wiring problems 5 A problem with the FPCM or ECM