2010 Chevrolet Tahoe Hybrid – ABS and Traction Lights With P0AC4 and U1820
- Aug 15
- 1 min read
CUSTOMER CONCERN
ABS and traction-control warning lights are on with DTCs P0AC4 and U1820.
CAUSE
Testing isolated the fault to the Electronic Brake Control Module connector and the EBCM.
CORRECTION
Repair the EBCM connector and remove and replace the failed Electronic Brake Control Module.
