OBD Guide

C15C7

DC Motor Power Source Voltage Malfunction

C15C7 is an OBD-II diagnostic trouble code meaning: DC Motor Power Source Voltage Malfunction. Common causes: open or short circuit in the power supply, dc motor fault. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of systems using a DC motor
  • Malfunction indicator light comes on
  • Reduced efficiency of the engine-related system

Causes

  • Open or short circuit in the power supply
  • DC motor fault
  • Problems with the control unit
  • Corroded or damaged contacts

How to Fix

  1. Check the integrity of the wiring harness and contacts
  2. Measure the voltage at the motor terminals
  3. Check motor resistance
  4. Replace the motor or repair the power circuit if necessary

Related codes

FAQ

What does the C15C7 code mean?

C15C7 is an OBD-II diagnostic trouble code that indicates: DC Motor Power Source Voltage Malfunction

What causes a C15C7 error code?

The most common causes of C15C7 include: Open or short circuit in the power supply; DC motor fault; Problems with the control unit; Corroded or damaged contacts.

How do I fix a C15C7 diagnostic trouble code?

To fix C15C7: Check the integrity of the wiring harness and contacts. Measure the voltage at the motor terminals. Check motor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C15C7?

Limited driving only, diagnose soon

How much does it cost to fix C15C7?

The estimated repair cost for C15C7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat