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GMC TSB #PIP5211D
2016 GMC Sierra 1500
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- Some customers may comment about a rough idle and/or vibration at idle in Drive. This condition may be most noticeable following extended driving, while idling at a stop in Drive. May feel like a lopey or lumpy idle, or may be described as a low idle. This condition will not be present in Park, Reverse, or Neutral. There will not be any DTCs with this concern. When measuring using the vibration analyzer, CH-51450-A (Pico Oscilloscope), With the pico accelerometer positioned on forward end of the seat track; the concern will show in the lateral / cross-car direction as E1.5 (1.5 engine order), in the range of 2-7 mg.
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