B2144
Outside Rearview Mirror Position Sensor Input Voltage Low
B2144 is an OBD-II diagnostic trouble code meaning: Outside Rearview Mirror Position Sensor Input Voltage Low. Common causes: open/short circuit in mirror wiring harness, corrosion of connector contacts. Estimated repair cost: $33–111.
Symptoms
- Mirror position memory failure
- Inability to automatically adjust mirrors
- Flashing seat memory light
- Mirror does not move when selecting driver profile
Causes
- Open/short circuit in mirror wiring harness
- Corrosion of connector contacts
- Mirror position sensor malfunction
- Problems with power or circuit ground
- Malfunction of the mirror control unit
How to Fix
- Check the mirror circuit fuse
- Inspect the wiring harness in the door for breaks
- Check the connector contacts for corrosion
- Test the sensor circuit with a multimeter
- Replace position sensor if necessary
- Reflash or replace the BUK (as a last resort)
Related codes
FAQ
What does the B2144 code mean?
B2144 is an OBD-II diagnostic trouble code that indicates: Outside Rearview Mirror Position Sensor Input Voltage Low
What causes a B2144 error code?
The most common causes of B2144 include: Open/short circuit in mirror wiring harness; Corrosion of connector contacts; Mirror position sensor malfunction; Problems with power or circuit ground.
How do I fix a B2144 diagnostic trouble code?
To fix B2144: Check the mirror circuit fuse. Inspect the wiring harness in the door for breaks. Check the connector contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2144?
Yes, but get it checked soon
How much does it cost to fix B2144?
The estimated repair cost for B2144 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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