AutoCodesDodge – C2108 Dodge

C2108 Dodge Code - Drivetrain Supply Voltage Circuit Short To Ground

Quick Answer

The Drive Train Control Module (DTCM) monitors the Drivetrain Sensor Supply voltage. Common causes include Drivetrain Supply Voltage Circuit Short To Ground, Faulty Drive Train Control Module (DTCM), Drive Train Control Module (DTCM) harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C2108 Dodge indicates Drivetrain Supply Voltage Circuit Short To Ground.
Common causes
Common causes include Drivetrain Supply Voltage Circuit Short To Ground, Faulty Drive Train Control Module (DTCM), Drive Train Control Module (DTCM) harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 827
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 15, 2023
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Code C2108 Dodge Description

The Drive Train Control Module (DTCM) monitors the Drivetrain Sensor Supply voltage. The Drive Train Control Module (DTCM) sets the OBDII code when it detects that the Drivetrain Sensor Supply voltage is below 2.5 volts for 300 mS.
OBDII Code C2108 Dodge - Drivetrain Supply Voltage Circuit Short To Ground - AutoCodes.com
C2108 Dodge Code - Drivetrain Supply Voltage Circuit Short To Ground

What are the Possible Causes of the DTC C2108 Dodge?

  • Drivetrain Supply Voltage Circuit Short To Ground
  • Faulty Drive Train Control Module (DTCM)
  • Drive Train Control Module (DTCM) harness is open or shorted
  • Drive Train Control Module (DTCM) circuit poor electrical connection

How to Fix the DTC C2108 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C2108 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C2108 Dodge Code

1. What does the OBDII code C2108 mean for a Dodge vehicle?

The C2108 code indicates a "Drivetrain Supply Voltage Circuit Short to Ground," meaning there’s an electrical issue in the drivetrain system's voltage supply circuit.

2. What are the common symptoms of the C2108 code on a Dodge?

Symptoms may include warning lights on the dashboard, such as the ABS or traction control light, drivetrain performance issues, or intermittent electrical malfunctions.

3. What causes the C2108 code to appear on a Dodge?

Common causes are damaged wiring, corroded connectors, a short to ground in the circuit, or a faulty drivetrain control module.

4. Can I drive my Dodge with the C2108 code active?

It’s not recommended to drive with this code active, as it may affect drivetrain performance and safety features like ABS or traction control.

5. How is the C2108 code diagnosed?

A technician will inspect the wiring and connectors in the drivetrain voltage circuit, check for shorts to ground, and use a scan tool to monitor voltage readings.

6. What repairs can fix the C2108 code on a Dodge?

Repairs may include repairing or replacing damaged wiring, cleaning or replacing corroded connectors, or replacing a faulty drivetrain control module.

7. How much does it typically cost to fix the C2108 code on a Dodge vehicle?

The cost depends on the specific issue, but repairs like wiring fixes or connector replacements may range from $100-$300, while module replacement could cost significantly more.

8. Can I reset the C2108 code without repairing the issue?

You can clear the code temporarily with an OBDII scanner, but it will likely return if the underlying issue isn’t fixed.

9. What tools are needed to troubleshoot the C2108 code?

Essential tools include an OBDII scanner, a multimeter to test voltage and continuity, and potentially wiring diagrams for the drivetrain system.

10. Is the C2108 code related to other drivetrain issues?

Yes, this code may trigger or be associated with other fault codes related to the drivetrain, ABS, or traction control systems if the issue isn’t resolved.

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