PIT5948B
Service Bulletin Details
Public Details for: PIT5948B
This preliminary information communicates that when they connect a trailer to the truck that there is a service trailer brake message displayed in the dic. When checking for dtc's a C159C sym49 maybe set for the trailer brake control switc
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 |
Bulletin No.: PIT5948B Published date: 02/14/2023 Preliminary Information PIT5948B Service Trailer Brake Message With DTC C159C Models Brand: Cadillac VIN: Model Years: Model: Escalade Models from to Engine: Transmissions: 2022 6/10/2022 EOP All All Silverado 1500 New Chevrolet (RPO J22, VIN Digit 5 = A or D) 2022 2023 11th VIN Digit Z: 7/12/2022, G: 6/30/2022, or 1: 6/27/2022 9/29/2022 All All Chevrolet Suburban 2022 6/10/2022 EOP All All Chevrolet Tahoe 2022 2023 6/10/2022 EOP All All GMC Sierra 1500 New (RPO 2022 J22, VIN Digit 5 = H or U) 2023 11th VIN Digit Z: 7/12/2022, G: 6/30/2022, or 1: 6/27/2022 9/29/2022 All All GMC Yukon Models 6/10/2022 EOP All 2022 All Involved Region or Country North America Additional Options (RPO) RPO JL1 Condition Some customers may comment when a trailer is connected to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTCs, a C159C sym49 maybe set for the Trailer Brake Control Switch. This condition could be intermittent, and when the fault is present the electric trailer brake functions will not be operational for that key cycle. Cause Trailer brake control switch. Correction: This PI is replaced by Customer Satisfaction Program N222384930 Trailer Brake Control Switch. Please review N222384930 for the latest information. Parts Information See Customer Satisfaction Program N222384930. Warranty Information See Customer Satisfaction Program N222384930. Version History Version Modi ed 3 09/27/2022 - Created on. 10/06/2022 - Updates to Model List and Condition sections 02/14/2023 - Updates to the Cause, Correction, Parts and Warranty sections. © 2023 General Motors. All Rights Reserved.