DTC U0100 Setting Current In Active Safety Control Module 1 And/Or 2 (PIC6342)
WARNING: This page is about the CT6 Base, 2.0L Eng VIN X, which is a different variant/trim than selected.
Publication date: 2018-11-20Reference number: PIC6342
DTC U0100 SETTING CURRENT IN ACTIVE SAFETY CONTROL MODULE 1 AND/OR 2
TECHNICAL SERVICE BULLETIN
Reference Number(s): PIC6342, Date of Issue:
Nov 20, 2018
SERVICE INFORMATION
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Cadillac | CT6 | 2018 - 2019 | All | All | All | All | |
| Involved Region or Country | North America, China |
| Additional Options (RPO) | UKL |
| Condition | A customer may comment that Super Cruise is inoperable and or the MIL is illuminated. |
| Cause | U0100 may set incorrectly for a loss of communication with the Transfer Case Control Module (TCCM). Currently U0100 can set for a loss of communication with either the Engine Control Module (ECM) or the Transfer Case Control Module (TCCM) in Active Safety Control Module's 1 and 2. |
CORRECTION
To prevent unneeded hardware replacement, perform the following:
Using GM Scan tool, verify valid communications with Active Safety Control Module 1 (ASCM1), Active Safety Control Module 2 (ASCM2), and the Rear Differential Clutch Control Module (RDCM).
If All modules are communicating and U0100 is found setting current in ASCM1, or ASCM 2 contact General Motors Technical Assistance at 1-877-446-8227.
A software fix is in coming and a bulletin will be released at that time.
SERVICE INFORMATION
| Version | 1 |
| Modified | 11/20/2018 Created on |