U0164
Lost Communication with HVAC Control Module
2000-2002 Rolls-Royce Corniche 6.75L V8
Low SeverityNetworkGeneric (SAE)
Description
Cannot communicate with the climate control module.
Symptoms
- Climate control not working
- No A/C
- Fan not responding
Common Causes
- HVAC module failure
- Fuse
- CAN bus
- Wiring
Diagnostic Steps
- Check fuses
- Test power
- Check CAN wiring
Repair Notes
Check fuses and power supply.
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
U0164 on Other Vehicles
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Seraph
1998-2002 5.4L V12
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code U0164 mean on a 2000-2002 Rolls-Royce Corniche?
U0164 stands for "Lost Communication with HVAC Control Module". Cannot communicate with the climate control module.
What are the symptoms of U0164 on a Rolls-Royce Corniche?
Common symptoms of U0164 include: Climate control not working, No A/C, Fan not responding.
What causes U0164 on a 2000-2002 Rolls-Royce Corniche?
Common causes of U0164 include: HVAC module failure, Fuse, CAN bus, Wiring.