P0641 Diagnostic Trouble Code Discussion for February 2025
5-Volt Reference 1 Circuit Malfunction
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| Help Request | Posted | |
| 2009 Chevrolet Silverado 1500 LT 5.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GCEK29J19 P0641: 5 volt ref problem. ... reduced power mode, cel and stabil trac lights come on. will occasionally stall and re start.Happens very intermittantly, last time was ok for over 3 weeks. As per p0641 dtc, we verified 5volt ref one goes away. We dis... |
February 20, 2025 |
