OBD Guide
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C2108

Drivetrain Supply Voltage Circuit Short To Ground

C2108 is an OBD-II diagnostic trouble code meaning: Drivetrain Supply Voltage Circuit Short To Ground. Common causes: wiring harness damage, short circuit in solenoid valves. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable transmission operation
  • Power Loss
  • Check Engine Light Is On
  • Gear shifting problems

Causes

  • Wiring harness damage
  • Short circuit in solenoid valves
  • Transmission ECU malfunction
  • Corrosion or oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness
  2. Measure circuit resistance
  3. Check the serviceability of the solenoid valves
  4. Replace damaged components
  5. Reset the error code and test drive

Related codes

C2107C2109P0700

FAQ

What does the C2108 code mean?

C2108 is an OBD-II diagnostic trouble code that indicates: Drivetrain Supply Voltage Circuit Short To Ground

What causes a C2108 error code?

The most common causes of C2108 include: Wiring harness damage; Short circuit in solenoid valves; Transmission ECU malfunction; Corrosion or oxidation of contacts.

How do I fix a C2108 diagnostic trouble code?

To fix C2108: Check the integrity of the wiring harness. Measure circuit resistance. Check the serviceability of the solenoid valves. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2108?

Limited driving only, diagnose soon

How much does it cost to fix C2108?

The estimated repair cost for C2108 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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