P0690 Diagnostic Trouble Code Discussion for July 2023
Engine Controls Ignition Relay Feedback Circuit High
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| Help Request | Posted | |
| 2008 Chevrolet Silverado 1500 WT 5.3L No Start VIN: 2GCEK19JX8 P0690: ecm/pcm power relay sense circuit high. i have been working on this truck for about a week when i have extra time and im swinging and missing with this one i have powers and ground at my ecm and i have tried a second ignition switch with no luck i have no signal to my starter and i have a very w... |
July 19, 2023 |
