P0502 Diagnostic Trouble Code Discussion for January 2006
VSS Circuit Low Input
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| Help Request | Posted | |
| 1997 GMC Yukon SLE 5.7L Stall, MIL Lamp on VIN: 1GKEK13R9V P0502: vss low. After running through some sensor wiring verification tests, I've discovered that the CSFI unit has sprung a leak and pushed fuel into the PCM through connectors C1 and C2. I've heard of this but never had one yet. The question is, other than fixing the fuel l... |
January 26, 2006 |
