22-NA-220
Service Bulletin Details
Public Details for: 22-NA-220
This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the dtc.
Models from 2023
| 2023 CADILLAC ESCALADE |
| 2023 CADILLAC ESCALADE ESV |
| 2023 CHEVROLET SILVERADO 1500 |
| 2023 CHEVROLET SUBURBAN |
| 2023 CHEVROLET TAHOE |
| 2023 GMC SIERRA 1500 |
| 2023 GMC YUKON |
| 2023 GMC YUKON XL |
Models from 2022
Models from 2021
Subject: Reduced Engine Power Displayed on Drivers Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated - DTC P2635 and/or P060C Set This bulletin replaces PIP5788B. Please discard PIP5788B. Brand: Model Year: Model: from Cadillac to VIN: Engine: Transmission: from ot Escalade Models Silverado 1500 ChevroSuburban let Tahoe 5.3 (L82 L84), 6.2 (L87) 2021 2023 Sierra 1500 GMC Yukon Models Involved Region or Country North America, Australia, New Zealand Condition Some customers may comment on one or more of the following conditions: • MIL is illuminated • MIL is Illuminated and turned off with no drivability concerns • Reduced Engine Power displayed on the DIC Some technicians may find one or more of the following DTCs set in the ECM: • P2635: Fuel Pump Flow Performance • P060C: Control Module Main Processor Performance Cause This condition may be caused by a restriction in the fuel feed pipe due to debris. Correction If you encounter a vehicle with the above DTC, follow the diagnostic for P2635 to ensure there are no system concerns. If the diagnostic does not isolate the concern, replace the fuel feed pipe and re-evaluate. Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping dangerous goods. In the event of a conflict between the procedures set forth in this bulletin and the laws that apply to your dealership, you must follow those applicable laws. Service Procedure Refer to Fuel Feed Pipe Replacement in SI. Parts Information Causal Part Description Part Number Qy t X PIPE, FUEL FEED 12703596 1 Causal Part Description GASKET, INT MANIF N/A Part Number Qy t 12626354 8 Warranty Information For vehicles repaired under warranty, use: Labor Operation Description Labor Time 4026830 Fuel Feed Pipe Replacement Use the Published Labor Operations Time *This is a unique Labor Operation for Bulletin use only. Version 2 Modified Released January 19, 2023 Revised February 13, 2023 - Update P060C Information.