U135C
Lost Communication With Start-Stop Capacitor Control Module
U135C is an OBD-II diagnostic trouble code meaning: Lost Communication With Start-Stop Capacitor Control Module. Common causes: open or short circuit in the communication circuit, capacitor control module malfunction. Estimated repair cost: $56–167.
Symptoms
- Disabling the start-stop function
- Check Engine light comes on
- Possible problems starting the engine
- Reduced system efficiency
Causes
- Open or short circuit in the communication circuit
- Capacitor control module malfunction
- Module power problems
- Corrosion of contacts or connectors
- Software error in the module
How to Fix
- Check the integrity of the wiring harness to the module
- Check power supply and grounding of the module
- Inspect and clean connector contacts
- Scan the module for errors
- If necessary, replace the capacitor control module
- Repair only from an authorized dealer
Related codes
FAQ
What does the U135C code mean?
U135C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Start-Stop Capacitor Control Module
What causes a U135C error code?
The most common causes of U135C include: Open or short circuit in the communication circuit; Capacitor control module malfunction; Module power problems; Corrosion of contacts or connectors.
How do I fix a U135C diagnostic trouble code?
To fix U135C: Check the integrity of the wiring harness to the module. Check power supply and grounding of the module. Inspect and clean connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U135C?
Yes, but get it checked soon
How much does it cost to fix U135C?
The estimated repair cost for U135C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat