U0549
Invalid Data Received From Remote Accessory Module
U0549 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Remote Accessory Module. Common causes: remote option module fault, problems with module wiring or connectors. Estimated repair cost: $33–167.
Symptoms
- Some functions of additional equipment do not work
- Error message on the instrument panel display
- Intermittent operation of electrical accessories
- False alarms of vehicle systems
Causes
- Remote Option Module Fault
- Problems with module wiring or connectors
- Module software mismatch
- Short circuit in the module circuit
- Problems with the CAN network
How to Fix
- Check the connection and condition of the module connectors
- Check the integrity of the wiring to the module
- Read module error codes using an additional scanner
- Update or reflash module software
- Replace the faulty accessory module
Related codes
Error U0549 by Vehicle Brand
FAQ
What does the U0549 code mean?
U0549 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Remote Accessory Module
What causes a U0549 error code?
The most common causes of U0549 include: Remote Option Module Fault; Problems with module wiring or connectors; Module software mismatch; Short circuit in the module circuit.
How do I fix a U0549 diagnostic trouble code?
To fix U0549: Check the connection and condition of the module connectors. Check the integrity of the wiring to the module. Read module error codes using an additional scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0549?
Yes, but get it checked soon
How much does it cost to fix U0549?
The estimated repair cost for U0549 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat