Lost Communication with Sunroof Control Module
2002-2002 Cadillac Escalade 6.0L V8
The 2002 Cadillac Escalade is equipped with a 6.0L V8 engine. Below you'll find detailed u0160 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Cannot communicate with the power sunroof or panoramic roof control module.
Symptoms
- Sunroof not opening/closing
- Sunroof switch not responding
- Sunroof position unknown
- Auto-close not working
Common Causes
- Sunroof module failure
- Wiring issue
- Module power loss
- Fuse blown
- Sunroof motor failure
Diagnostic Steps
- Check sunroof module fuse
- Test power and ground
- Check wiring in headliner
- Test sunroof motor directly
- Check sunroof limit switches
Repair Notes
Check fuses. Sunroof module may need initialization after battery disconnect.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0160 on Other Vehicles
Common Questions
What does code U0160 mean on a 2002-2002 Cadillac Escalade?
U0160 stands for "Lost Communication with Sunroof Control Module". Cannot communicate with the power sunroof or panoramic roof control module.
What are the symptoms of U0160 on a Cadillac Escalade?
Common symptoms of U0160 include: Sunroof not opening/closing, Sunroof switch not responding, Sunroof position unknown, Auto-close not working.
What causes U0160 on a 2002-2002 Cadillac Escalade?
Common causes of U0160 include: Sunroof module failure, Wiring issue, Module power loss, Fuse blown, Sunroof motor failure.
Last updated: March 2026