PIT5887A
Service Bulletin Details
Public Details for: PIT5887A
This preliminary information discusses an intermittent power up but no crank concern that could be the b+ stud on the starter oxidation.
Bulletin No.: PIT5887A Published date: 10/4/2022 Preliminary Information PIT5887A Diagnostic Aid: Intermittent Vehicle Powers Up But Will Not Crank Models Brand: Model: Model Years: VIN: from Engine: to Transmissions: Chevrolet Colorado 2021 - 2022 All All LGZ All Chevrolet Equinox 2021 - 2022 All All LYX All GMC Canyon 2021 - 2022 All All LGZ All GMC Terrain 2021 - 2022 All All LYX All Involved Region or Country: Condition: Cause: North America Intermittent No Crank. Vehicle Powers Up Normally. Oxidized B+ Nut or Stud On The Starter Solenoid. Correction: If a vehicle presents with an intermittent power up but no crank concern verify the BCM Power Mode Data shows Crank, the ECM Electrical Data shows active Crank Request and Crank Relay Command. If data is correct, check for power at the B+ terminal at the starter. If present, inspect the B+ stud on the starter for oxidation as shown below. If it's oxidized as shown in the photos, you should replace the nut and clean the stud terminals and re-check starter function. If this corrects the concern, release the truck. If not, continue with starter diagnosis / replacement. Warranty Information For vehicles repaired under the Power train coverage, use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IV) for coverage information. Labor Operation 4088658* Description Replace B+ Starter Nut and Clean Stud LGZ and LYX Base: Diagnostic Add: AWD Vehicles : Add Time to remove transfer case Labor Time 0.5 hrs 0.0 - .5 hrs 1.3 hr *This is a unique Labor Operation for Bulletin use only. Version History Version Modified 2 01/26/2022 - Created. 04/27/2022 - Revised to add Colorado and Canyon models and to add a bulletin specific labor operation. © 2022 General Motors. All Rights Reserved.