U0248
Lost Communication With Remote Accessory Module
U0248 is an OBD-II diagnostic trouble code meaning: Lost Communication With Remote Accessory Module. Common causes: remote access module malfunction, open or short circuit in the module power supply circuit. Estimated repair cost: $56–167.
Symptoms
- Remote door opening does not work
- Problems starting the engine with the key fob
- Error message on the dashboard
- Intermittent operation of remote control functions
- Some comfort functions do not work
Causes
- Remote access module malfunction
- Open or short circuit in the module power supply circuit
- Wiring harness damage
- Problems with the CAN bus
- Module software failures
How to Fix
- Check module fuses
- Diagnose the integrity of the wiring harness
- Check the power supply and ground of the module
- Scan the module for errors using diagnostic equipment
- If necessary, replace the remote access module
Related codes
Error U0248 by Vehicle Brand
FAQ
What does the U0248 code mean?
U0248 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Remote Accessory Module
What causes a U0248 error code?
The most common causes of U0248 include: Remote access module malfunction; Open or short circuit in the module power supply circuit; Wiring harness damage; Problems with the CAN bus.
How do I fix a U0248 diagnostic trouble code?
To fix U0248: Check module fuses. Diagnose the integrity of the wiring harness. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0248?
Yes, but get it checked soon
How much does it cost to fix U0248?
The estimated repair cost for U0248 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat