C2116
ABS Pump Motor Supply Low Voltage
C2116 is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Supply Low Voltage. Common causes: poor contact in the abs module connectors, open or shorted wiring harness. Estimated repair cost: $56–278.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- Disabling ABS and ESP
- Unusual noises from the ABS module during operation
- Problems with the stabilization system
Causes
- Poor contact in the ABS module connectors
- Open or shorted wiring harness
- Faulty ABS pump relay
- ABS module ground problems
- Wear of ABS pump motor brushes
- Malfunction of the pump motor itself
- Problems with the generator or battery
How to Fix
- Check battery voltage and generator operation
- Inspect the wiring harness and connectors of the ABS module
- Check the integrity of the ABS pump power supply circuit
- Diagnose the ABS pump relay
- Check pump motor resistance
- If necessary, replace the relay, wiring harness or ABS pump
Related codes
FAQ
What does the C2116 code mean?
C2116 is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Supply Low Voltage
What causes a C2116 error code?
The most common causes of C2116 include: Poor contact in the ABS module connectors; Open or shorted wiring harness; Faulty ABS pump relay; ABS module ground problems.
How do I fix a C2116 diagnostic trouble code?
To fix C2116: Check battery voltage and generator operation. Inspect the wiring harness and connectors of the ABS module. Check the integrity of the ABS pump power supply circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C2116?
Limited driving only, diagnose soon
How much does it cost to fix C2116?
The estimated repair cost for C2116 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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