OBD Guide
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C1218

Pump Motor Circuit Shorted To Voltage Or Motor Ground Open

C1218 is an OBD-II diagnostic trouble code meaning: Pump Motor Circuit Shorted To Voltage Or Motor Ground Open. Common causes: wiring harness damage, malfunction of the stabilization system pump. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The stabilization system malfunction indicator is on
  • Disabling the ABS/ESP system
  • Unusual noises from the pump

Causes

  • Wiring harness damage
  • Malfunction of the stabilization system pump
  • Pump motor ground problems
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Check pump motor ground
  3. Check the stabilization system pump
  4. Replace damaged components

Related codes

C1217C1219C1220

FAQ

What does the C1218 code mean?

C1218 is an OBD-II diagnostic trouble code that indicates: Pump Motor Circuit Shorted To Voltage Or Motor Ground Open

What causes a C1218 error code?

The most common causes of C1218 include: Wiring harness damage; Malfunction of the stabilization system pump; Pump motor ground problems; Short circuit in the circuit.

How do I fix a C1218 diagnostic trouble code?

To fix C1218: Check wiring harness for damage. Check pump motor ground. Check the stabilization system pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1218?

Limited driving only, diagnose soon

How much does it cost to fix C1218?

The estimated repair cost for C1218 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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