Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
1Original wording in English
CADILLAC, CHEVROLET, GMC
This technical bulletin provides a procedure to reprogram the BCM to correct a customer concern on a dead battery or no start and DTC B1527 set caused by to the child window lock, when active, causing the BCM to continuously wake up and run the battery down.
Check vehicle applicability
6A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Cadillac | ESCALADE ↗ | 2016 |
| Cadillac | ESCALADE ESV ↗ | 2016 |
| Chevrolet | SUBURBAN ↗ | 2016 |
| Chevrolet | TAHOE ↗ | 2016 |
| GMC | YUKON ↗ | 2016 |
| GMC | YUKON XL ↗ | 2016 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Memory Set Switch Circuit Failure
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.