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2011 GMC Sierra 2500 HD SLE 6.6L Erratic Shifting
This vehicle came in with a complaint of erratic shifting. There were numerous codes in the TCM and the PCM memory. I erased all codes & went for a test drive. The truck started out in first, then shifted to second, then went into reverse (I think-wheels locke...
FIX posted 3/7/2017
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Message Closed w/FIX
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10 Replies Received
10 Replies Received
Related Documents & Media | VIN | 1GT120E88B |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Erratic Shifting |
Message Closed w/FIX
Vehicle Data
2011 GMC Sierra 2500 HD SLE
| VIN | 1GT120E88B |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Erratic Shifting |
Video