U041C
Invalid Data Received From Rocker Arm Control Module A
U041C is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Rocker Arm Control Module A. Common causes: malfunction of rocker control module (a), damage to the wiring harness to the module. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Problems with acceleration dynamics
Causes
- Malfunction of rocker control module (A)
- Damage to the wiring harness to the module
- Poor contact in connectors
- Module power problems
- Software error in ECU
How to Fix
- Check the condition of the wiring harness to the module
- Check contacts in connectors
- Measure the module supply voltage
- Scan the module for errors
- Replace rocker arm control module if necessary
Related codes
Error U041C by Vehicle Brand
FAQ
What does the U041C code mean?
U041C is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Rocker Arm Control Module A
What causes a U041C error code?
The most common causes of U041C include: Malfunction of rocker control module (A); Damage to the wiring harness to the module; Poor contact in connectors; Module power problems.
How do I fix a U041C diagnostic trouble code?
To fix U041C: Check the condition of the wiring harness to the module. Check contacts in connectors. Measure the module supply voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U041C?
Yes, but get it checked soon
How much does it cost to fix U041C?
The estimated repair cost for U041C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat