U2166
Lost Communication With Driver Position Module
U2166 is an OBD-II diagnostic trouble code meaning: Lost Communication With Driver Position Module. Common causes: open or short circuit in wiring harness, driver position module malfunction. Estimated repair cost: $56–167.
Symptoms
- Driver's seat adjustment functions do not work
- Steering wheel and mirror position settings are not saved
- Check Engine Light or Other Warning Lights Come On
- There may be malfunctions in other systems associated with the module
Causes
- Open or short circuit in wiring harness
- Driver position module malfunction
- Poor contact in module connectors
- Problems with module power supply (blown fuse)
- CAN bus fault
How to Fix
- Check fuses associated with the module
- Inspect connectors and wiring harness for damage
- Check the power supply and ground of the module
- Scan the CAN bus for errors
- If necessary, replace the driver position module
Related codes
FAQ
What does the U2166 code mean?
U2166 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Driver Position Module
What causes a U2166 error code?
The most common causes of U2166 include: Open or short circuit in wiring harness; Driver position module malfunction; Poor contact in module connectors; Problems with module power supply (blown fuse).
How do I fix a U2166 diagnostic trouble code?
To fix U2166: Check fuses associated with the module. Inspect connectors and wiring harness for damage. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2166?
Limited driving only, diagnose soon
How much does it cost to fix U2166?
The estimated repair cost for U2166 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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