U0632
Lost Communication With Fan 1
U0632 is an OBD-II diagnostic trouble code meaning: Lost Communication With Fan 1. Common causes: open or short circuit in the fan circuit, fan relay fault. Estimated repair cost: $17–89.
Symptoms
- Engine overheating
- Cooling fan does not work
- Check Engine Light Is On
- Reduced cooling system efficiency
Causes
- Open or short circuit in the fan circuit
- Fan relay fault
- Fuse problems
- Malfunction of the cooling fan itself
- Problems with the ECU
How to Fix
- Check fuses and replace if necessary
- Check fan relay
- Inspect the wiring harness for damage
- Check the operation of the fan
- Carry out ECU diagnostics
Related codes
Error U0632 by Vehicle Brand
FAQ
What does the U0632 code mean?
U0632 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Fan 1
What causes a U0632 error code?
The most common causes of U0632 include: Open or short circuit in the fan circuit; Fan relay fault; Fuse problems; Malfunction of the cooling fan itself.
How do I fix a U0632 diagnostic trouble code?
To fix U0632: Check fuses and replace if necessary. Check fan relay. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0632?
Limited driving only, diagnose soon
How much does it cost to fix U0632?
The estimated repair cost for U0632 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat