U02AD
Lost Communication With Turbocharger/Supercharger Boost Control B
U02AD is an OBD-II diagnostic trouble code meaning: Lost Communication With Turbocharger/Supercharger Boost Control B. Common causes: open or short circuit in control circuit, turbocharger control solenoid valve malfunction. Estimated repair cost: $17–133.
Symptoms
- Reduced engine power
- Check Engine Light Illuminates
- Unstable engine operation
- Dips during acceleration
- Turbocharging does not work
Causes
- Open or short circuit in control circuit
- Turbocharger control solenoid valve malfunction
- Wiring Harness Problems
- Turbocharger control module malfunction
- ECU software error
How to Fix
- Check the integrity of the wiring harness to the turbocharging control system
- Check resistance and operation of solenoid valves
- Scan the system for additional errors
- Check the power and ground of the control module
- If necessary, replace faulty components
Related codes
Error U02AD by Vehicle Brand
FAQ
What does the U02AD code mean?
U02AD is an OBD-II diagnostic trouble code that indicates: Lost Communication With Turbocharger/Supercharger Boost Control B
What causes a U02AD error code?
The most common causes of U02AD include: Open or short circuit in control circuit; Turbocharger control solenoid valve malfunction; Wiring Harness Problems; Turbocharger control module malfunction.
How do I fix a U02AD diagnostic trouble code?
To fix U02AD: Check the integrity of the wiring harness to the turbocharging control system. Check resistance and operation of solenoid valves. Scan the system for additional errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U02AD?
Limited driving only, diagnose soon
How much does it cost to fix U02AD?
The estimated repair cost for U02AD is $17–133. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat