U1230
Invalid Or Missing Data For Electric Defrost
U1230 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Electric Defrost. Common causes: open circuit in heating circuit, temperature sensor malfunction. Estimated repair cost: $6–56.
Symptoms
- Heated windshield does not work
- Heated mirrors don't work
- Heating indicator flashes
- Error on the on-board computer display
Causes
- Open circuit in heating circuit
- Temperature sensor malfunction
- Problems with the control module
- Short circuit in wiring
- Software error in the control unit
How to Fix
- Check heating system fuses
- Diagnose the heating circuit for breaks
- Check temperature sensors
- Scan the control unit for errors
- Update control unit software
Related codes
FAQ
What does the U1230 code mean?
U1230 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Electric Defrost
What causes a U1230 error code?
The most common causes of U1230 include: Open circuit in heating circuit; Temperature sensor malfunction; Problems with the control module; Short circuit in wiring.
How do I fix a U1230 diagnostic trouble code?
To fix U1230: Check heating system fuses. Diagnose the heating circuit for breaks. Check temperature sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1230?
Yes, but get it checked soon
How much does it cost to fix U1230?
The estimated repair cost for U1230 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat