U040E
Invalid Data Received From Turbocharger/Supercharger Control Module B
U040E is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Turbocharger/Supercharger Control Module B. Common causes: malfunction of the turbocharger control module, open or short circuit in the communication circuit. Estimated repair cost: $56–278.
Symptoms
- Loss of engine power
- Check Engine Light Is On
- Turbojam (turbine reaction delay)
- Intermittent operation of the turbocharger
- Switching to emergency mode
Causes
- Malfunction of the turbocharger control module
- Open or short circuit in the communication circuit
- Connector problems or contact corrosion
- Software error in control module
- Control module power problems
How to Fix
- Check the integrity of the wiring harness and connectors
- Check power supply and grounding of the module
- Read turbocharger module fault codes
- Update control module firmware (if available)
- Replace the turbocharger control module if necessary
Related codes
Error U040E by Vehicle Brand
FAQ
What does the U040E code mean?
U040E is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Turbocharger/Supercharger Control Module B
What causes a U040E error code?
The most common causes of U040E include: Malfunction of the turbocharger control module; Open or short circuit in the communication circuit; Connector problems or contact corrosion; Software error in control module.
How do I fix a U040E diagnostic trouble code?
To fix U040E: Check the integrity of the wiring harness and connectors. Check power supply and grounding of the module. Read turbocharger module fault codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U040E?
Limited driving only, diagnose soon
How much does it cost to fix U040E?
The estimated repair cost for U040E is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat