PIT6144
Service Bulletin Details
Public Details for: PIT6144
This preliminary information communicates a diagnostic tip from root causing dtc: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system.
Models from 2024
| 2024 CADILLAC ESCALADE |
| 2024 CHEVROLET SUBURBAN |
| 2024 CHEVROLET TAHOE |
| 2024 GMC HUMMER EV |
| 2024 GMC YUKON |
Models from 2023
| 2023 CADILLAC ESCALADE ESV |
| 2023 CHEVROLET SUBURBAN 1500 |
| 2023 CHEVROLET TAHOE |
| 2023 GMC HUMMER EV |
| 2023 GMC YUKON XL |
Models from 2022
| 2022 CADILLAC ESCALADE ESV |
| 2022 CHEVROLET SUBURBAN |
| 2022 CHEVROLET TAHOE |
| 2022 GMC HUMMER EV |
| 2022 GMC YUKON XL |
Models from 2021
| 2021 CADILLAC ESCALADE ESV |
| 2021 CHEVROLET SUBURBAN |
| 2021 CHEVROLET TAHOE |
| 2021 GMC YUKON XL |
Bulletin No.: PIT6144 Published date: 03/28/2024 Preliminary Information PIT6144 Diagnostic Tip for Service Leveling System Message And DTC: C1197 Models Brand: Model: Model Years: VIN: from to Engine: Transmissions: Cadillac Escalade Models 2021 - 2024 All All All All Chevrolet Suburban 2021 - 2024 All All All All Chevrolet Tahoe 2021 - 2024 All All All All GMC HUMMER EV 2022 - 2024 All All All All GMC HUMMER EV SUV 2024 All All All All GMC Yukon Models 2021 - 2024 All All All All Involved Region or Country North America Additional Options (RPO) F47 Air Ride Adaptive Suspension Some customers may comment on following concerns: Condition - Air leveling suspension is inoperative - Service Leveling System message displayed in the DIC - DTC: C1197 SYM 00 Cause This condition may be caused by a plugged or pinched air inlet hose to the air suspension compressor assembly. Correction: If you experience one of the conditions above, please check the following as this may be causing your concern: Inspect the air suspension compressor air inlet hose for being pinched or twisted and preventing air from entering the air suspension compressor. The air inlet hose assembly is shown as #17 below. If you nd the air inlet hose pinched or twisted, repair as needed. Example of twisted hoses on the 2024 Hummer EV Example of a pinched hose on a 2023 Cadillac Escalade below: Version History Version Modi ed 1 03/28/2024 - Created on. © 2024 General Motors. All Rights Reserved.