P2771 Diagnostic Trouble Code Discussion for September 2016
4WD Low Switch Circuit Malfunction
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| Help Request | Posted | |
| 2009 GMC Sierra 1500 SLT 6.2L Cuts out, Stall, MIL Lamp on VIN: 3GTEK13219 P2771: 4X4 low switch circuit. ... thought it be worth it to post the results in case I could help someone in the IATN universe. Started bucking intermittently, mostly while cruising sometimes idling at a light. CE light was on. Very rarely it would stall at idle, started right up again. Wh... |
September 21, 2016 |
