AutoCodes – Dodge – C0078 Dodge

C0078 Dodge Code - Tire Diameter

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Tire Diameter. Common causes include Tire pressure too low or too high, Wrong tire diameter. 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: C0078 Dodge indicates Tire Diameter.
Common causes: Common causes include Tire pressure too low or too high, Wrong tire diameter.
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 6,083

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0078 Dodge Description

The Anti-Lock Brake System (ABS) Module monitors the Tire Diameter. The ABS Module sets the OBDII code when the Tire Diameter is not to factory specifications.

OBDII Code C0078 Dodge - Tire Diameter - AutoCodes.com — C0078 Dodge Code - Tire Diameter

What does this mean?

What are the Possible Causes of the DTC C0078 Dodge?

Tire pressure too low or too high
Wrong tire diameter

How to Fix the DTC C0078 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 C0078 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.

Need more information about the C0078 Dodge code?

Need more information on how to fix the C0078 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0078 Dodge code diagnosed by a professional: Find a repair shop in your area

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 C0078 Dodge Code

1. What are the common symptoms of OBDII code C0078 in a Dodge related to tire diameter?

- Common symptoms include traction control and stability control issues, abnormal ABS operation, and potential speedometer inaccuracies.

2. What typically causes the OBDII code C0078 related to tire diameter in a Dodge?

- The code C0078 is usually triggered when the tire diameter is not within the specified range stored in the vehicle's computer, often due to incorrect tire size or a faulty wheel speed sensor.

3. How can I diagnose the OBDII code C0078 in my Dodge related to tire diameter?

- Diagnosis usually involves checking the tire sizes on all four wheels, inspecting the wheel speed sensors for proper operation, and using a scan tool to read the specific error codes.

4. Can incorrect tire pressure cause the OBDII code C0078 in a Dodge related to tire diameter?

- While incorrect tire pressure can affect tire diameter, it is not a common cause of the C0078 code. However, maintaining proper tire pressure is essential for overall vehicle performance.

5. What are the potential risks of ignoring the OBDII code C0078 in a Dodge related to tire diameter?

- Ignoring the C0078 code can lead to issues with the vehicle's stability control system, ABS functionality, and overall handling, which may compromise safety while driving.

6. Is it possible to reset the OBDII code C0078 related to tire diameter in a Dodge without fixing the underlying issue?

- Resetting the code without addressing the root cause, such as incorrect tire size or a faulty sensor, is not recommended as the problem will likely reoccur, potentially causing further damage.

7. Can replacing all tires with the correct size resolve the OBDII code C0078 in a Dodge related to tire diameter?

- Yes, replacing all tires with the correct size and ensuring they have similar tread wear can often resolve the C0078 code, as it restores the proper tire diameter consistency.

8. Are there any DIY repair tips for fixing the OBDII code C0078 related to tire diameter in a Dodge?

- DIY enthusiasts can try checking and adjusting tire pressures, visually inspecting tires for wear, and cleaning wheel speed sensors as initial steps to address the issue before seeking professional help.

9. Is it safe to drive a Dodge with the OBDII code C0078 related to tire diameter illuminated?

- While it may be safe to drive for short distances, it is best to address the underlying cause of the code promptly to avoid potential safety risks associated with compromised traction and stability systems.

10. How much does it typically cost to repair the OBDII code C0078 related to tire diameter in a Dodge at a mechanic or dealership?

- Repair costs can vary depending on the specific cause, but expect to pay for diagnostic time, potential sensor replacements, or tire adjustments, with an average range of $100 to $500.