U1117
Lost Communication With ABS
U1117 is an OBD-II diagnostic trouble code meaning: Lost Communication With ABS. Common causes: broken or damaged wires in the communication circuit, poor contact in abs connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Disabling the ABS system
- Disabling the traction control system
- Incorrect operation of cruise control
- Possible problems with speed registration
Causes
- Broken or damaged wires in the communication circuit
- Poor contact in ABS connectors
- ABS module malfunction
- ABS module power problems
- Software failures in the control unit
How to Fix
- Check the integrity of the wires between the ECU and the ABS module
- Inspect and clean the contacts in the connectors
- Check ABS fuses and relays
- Diagnose the ABS module using a scanner
- If necessary, replace the ABS module
Related codes
FAQ
What does the U1117 code mean?
U1117 is an OBD-II diagnostic trouble code that indicates: Lost Communication With ABS
What causes a U1117 error code?
The most common causes of U1117 include: Broken or damaged wires in the communication circuit; Poor contact in ABS connectors; ABS module malfunction; ABS module power problems.
How do I fix a U1117 diagnostic trouble code?
To fix U1117: Check the integrity of the wires between the ECU and the ABS module. Inspect and clean the contacts in the connectors. Check ABS fuses and relays. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1117?
Do not drive — repair immediately
How much does it cost to fix U1117?
The estimated repair cost for U1117 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat