U0424
Invalid Data Received From HVAC Control Module
U0424 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From HVAC Control Module. Common causes: hvac module malfunction, damage to wiring or connectors. Estimated repair cost: $56–278.
Symptoms
- Incorrect operation of climate control
- No response to temperature adjustment
- Hot or cold air regardless of settings
- Flashing lights on HVAC panel
- Error message on display
Causes
- HVAC module malfunction
- Damage to wiring or connectors
- Problems with the CAN bus
- Software error in HVAC module
- Short circuit in climate control circuit
How to Fix
- Check HVAC module connections and connectors
- Scan the HVAC module for errors
- Check the integrity of the CAN bus
- Update HVAC module software
- Replace HVAC module if necessary
Related codes
Error U0424 by Vehicle Brand
FAQ
What does the U0424 code mean?
U0424 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From HVAC Control Module
What causes a U0424 error code?
The most common causes of U0424 include: HVAC module malfunction; Damage to wiring or connectors; Problems with the CAN bus; Software error in HVAC module.
How do I fix a U0424 diagnostic trouble code?
To fix U0424: Check HVAC module connections and connectors. Scan the HVAC module for errors. Check the integrity of the CAN bus. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0424?
Limited driving only, diagnose soon
How much does it cost to fix U0424?
The estimated repair cost for U0424 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat