U0118
Lost Communication With Fuel Additive Control Module
U0118 is an OBD-II diagnostic trouble code meaning: Lost Communication With Fuel Additive Control Module. Common causes: open or short circuit in the module circuit, malfunction of the fuel additive control module. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Possible reduction in engine power
- Increased fuel consumption
- Problems with emission control systems
- Error message on the dashboard
Causes
- Open or short circuit in the module circuit
- Malfunction of the fuel additive control module
- Problems with connectors or wiring harness
- Software failures in the ECU
- Module power problems
How to Fix
- Check the integrity of the module electrical circuit
- Inspect connectors and wiring harness for damage
- Check power supply and grounding of the module
- Scan the module for additional errors
- If necessary, replace the control module
Related codes
Error U0118 by Vehicle Brand
FAQ
What does the U0118 code mean?
U0118 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Fuel Additive Control Module
What causes a U0118 error code?
The most common causes of U0118 include: Open or short circuit in the module circuit; Malfunction of the fuel additive control module; Problems with connectors or wiring harness; Software failures in the ECU.
How do I fix a U0118 diagnostic trouble code?
To fix U0118: Check the integrity of the module electrical circuit. Inspect connectors and wiring harness for damage. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0118?
Yes, but get it checked soon
How much does it cost to fix U0118?
The estimated repair cost for U0118 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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