PIT5946B
Service Bulletin Details
Public Details for: PIT5946B
This preliminary information communicates a diagnostic tip on how to resolve a issue with the body control module setting dtc: P0606 and turning on a check engine lamp.
Models from 2023
| 2023 CADILLAC ESCALADE ESV |
| 2023 CHEVROLET SUBURBAN |
| 2023 CHEVROLET TAHOE |
| 2023 GMC YUKON XL |
Models from 2022
| 2022 CADILLAC ESCALADE ESV |
| 2022 CHEVROLET SILVERADO 1500 |
| 2022 CHEVROLET SUBURBAN |
| 2022 CHEVROLET TAHOE |
| 2022 GMC SIERRA 1500 |
| 2022 GMC YUKON XL |
Models from 2021
| 2021 CADILLAC ESCALADE ESV |
| 2021 CHEVROLET SUBURBAN |
| 2021 CHEVROLET TAHOE |
| 2021 GMC YUKON XL |
Bulletin No.: PIT5946B Published date: N/A Preliminary Information PIT5946B Check Engine Lamp With DTC: P0606 set in the Body Control Module Models Brand: Cadillac Model: Escalade Models Model Years: 2021 - 2023 VIN: from to Engine: Transmissions: All All All All Chevrolet Silverado 1500 New (RPO J22, VIN Digit 5 = A or D) 2022 All All All All Chevrolet Suburban 2021 - 2023 All All All All Chevrolet Tahoe 2021 - 2023 All All All All GMC Yukon Models 2021 - 2023 All All All All GMC Sierra 1500 New (RPO J22, VIN Digit 5= H or U) 2022 All All All All Involved Region or Country North America Condition Some technicians may experience a check engine lamp with DTC: P0606 set current in the Body Control Module. The customer may also experience issues with HVAC and lighting, as well as some various DIC messages Cause This issue may be caused by BCM software that is out of date or a BCM Program Flow Monitoring Status Parameter that is reading "Active". Correction: Connect an MDI2 to the vehicle and navigate to GDS2 and select the following: > Module Diagnostics > Body Control Module > Identi cation Information > Internal Control Module Performance Data Review the parameters. If only the “Program Flow Monitoring Status” is active and all other parameters are inactive, please attempt to program the BCM with the latest calibration in Techline Connect under the SPS Tab. If the BCM software is up to date or an update was just performed, review "Program Flow Monitoring Status" parameter once more. If the “Program Flow Monitoring Status” parameter is still "Active" with all other parameters reading inactive, then clear codes and take no further action. The P0606 code may remain and engineering is working on a x. Do not replace the BCM to try and resolve this concern. If the software update was performed and the parameter titled "Program Flow Monitoring Status" is "Inactive" and all other parameters are "Inactive", clear any codes and the vehicle is repaired. Note: If “Program Flow Monitoring Status” is reading "Active" along with any other parameters that reads " Active", follow Service information diagnostic procedure for DTC: P0606. -orIf “Program Flow Monitoring Status” is reading "Inactive" with any other parameters that read "Active", follow Service Information diagnostic procedure for DTC: P0606. Warranty Information For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information. Labor Operation 2888998 2888988 Description BCM Review Parameters and Reprogram BCM BCM Review Parameters and Software Veri cation Labor Time 0.5 Hr. 0.2 Hr. Version History Version Modi ed 3 10/04/2022 - Created on 01/04/2023 - Updated to remove models that are no longer a ected 01/26/2023 - Add additional truck models © 2023 General Motors. All Rights Reserved.