AutoCodes – Saturn – C1278 Saturn

C1278 Saturn Code - TCS Temporarily Inhibited By PCM

Quick Answer

The Powertrain Control Module (PCM) monitors various parameters. Common causes include Faulty Electronic Brake Control Module (EBCM), Faulty Powertrain Control Module (PCM). 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: C1278 Saturn indicates TCS Temporarily Inhibited By PCM.
Common causes: Common causes include Faulty Electronic Brake Control Module (EBCM), Faulty Powertrain Control Module (PCM).
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 820

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 Sep 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1278 Saturn Description

The Powertrain Control Module (PCM) monitors various parameters. The PCM sets the OBDII code and will not allow traction control operation if any parameter falls outside a specified range.

OBDII Code C1278 Saturn - TCS Temporarily Inhibited By PCM - AutoCodes.com — C1278 Saturn Code - TCS Temporarily Inhibited By PCM

What does this mean?

What are the Possible Causes of the DTC C1278 Saturn?

Faulty Electronic Brake Control Module (EBCM)
Faulty Powertrain Control Module (PCM)

How to Fix the DTC C1278 Saturn?

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 C1278 Saturn 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 C1278 Saturn Code

1. What does OBDII code C1278 in a Saturn mean?

The code C1278 in a Saturn indicates that the Traction Control System (TCS) has been temporarily inhibited by the Powertrain Control Module (PCM).

2. What are the common symptoms of OBDII code C1278 in a Saturn?

Common symptoms of code C1278 include the TCS warning light illuminating on the dashboard, loss of traction control functionality, and potential issues with stability while driving.

3. What are the possible causes of OBDII code C1278 in a Saturn?

Possible causes of code C1278 include a faulty wheel speed sensor, damaged wiring or connectors in the TCS circuit, a malfunctioning PCM, or issues with the TCS system itself.

4. How can I diagnose OBDII code C1278 in my Saturn?

Diagnosing code C1278 typically involves using a diagnostic scanner to retrieve the code, checking for any related codes or symptoms, inspecting the TCS system components, and performing tests on the wheel speed sensors and TCS module.

5. Can I still drive my Saturn with OBDII code C1278?

It is generally safe to drive your Saturn with code C1278, but you may experience reduced traction control functionality and stability while driving. It is recommended to address the issue promptly to ensure safe operation of the vehicle.

6. How can I repair OBDII code C1278 in a Saturn?

Repairing code C1278 may involve replacing a faulty wheel speed sensor, repairing damaged wiring or connectors, recalibrating the TCS system, or addressing any PCM or TCS module issues. It is best to consult a professional mechanic for an accurate diagnosis and repair.

7. Is it possible to reset OBDII code C1278 in a Saturn?

Resetting code C1278 may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem to prevent recurring issues.

8. Can extreme weather conditions trigger OBDII code C1278 in a Saturn?

Extreme weather conditions such as heavy rain or snow can potentially impact the wheel speed sensors and TCS system, leading to the triggering of code C1278. It is important to keep the TCS components clean and well-maintained in all weather conditions.

9. How much does it cost to repair OBDII code C1278 in a Saturn?

The cost of repairing code C1278 in a Saturn can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to obtain quotes from different mechanics to compare prices.

10. Will OBDII code C1278 cause my Saturn to fail an emissions test?

Code C1278 is not directly related to emissions control systems, so it is unlikely to cause your Saturn to fail an emissions test. However, it is still important to address the issue to ensure the overall performance and safety of the vehicle.