- November 17: Chevy Express and GMC Savana Vans Recalled For Multiple Issues recalls | 7 days ago
- November 13: GM Recalls 514,000 Vehicles After Rear Wheels Lock-Up recalls | 11 days ago
- October 26: Recall: 2024 GMC Canyon Headlights Flicker recalls | 29 days ago
- October 12: GM Vortec Oil Consumption Lawsuit Dismissed news | 43 days ago
- September 28: GM Shift to Park Class Action Lawsuit Debated in Ohio news | 57 days ago
GMC TSB #PIT4614C
2011 GMC Sierra 2500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary Information communication provides steps the technician will take to repair a no crank/no start concern with a diagnostic trouble code of B009F in the Serial Data Gateway Module equipped with Regular Production Option code HP2. The vehicle may exhibit a no crank or no start, or a Service Hybrid message with no codes. The technician will inspect the High Voltage Circuit Impact Detection sensor for water intrusion or corrosion at the weather pack. Inspect the High Voltage  Circuit Impact Detection sensor for cracks or terminal corrosion and replace the sensor or terminals along with the weather pack seals if damage is found. If there is no damage found the technician will leave the sensor unplugged and power up the vehicle to induce a code, then power down the vehicle with the Tech 2 unplugged from the vehicle for two minutes. Clear the code and recheck for the message and codes, if the code resets the technician will replace the High Voltage Circuit Impact Detection sensor and terminals with terminated leads. Technician is to repeat the above steps to verify the concern is corrected. Â
Click a tab for more information.