AutoCodes – GMC – P140E GMC

P140E GMC Code - Exhaust Gas Recirculation Motor Control Circuit 2 High Voltage

Quick Answer

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Motor. Common causes include Faulty Exhaust Gas Recirculation Motor, Exhaust Gas Recirculation Motor harness is open or shorted, Exhaust Gas Recirculation Motor circuit poor electrical connection. 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: P140E GMC indicates Exhaust Gas Recirculation Motor Control Circuit 2 High Voltage.
Common causes: Common causes include Faulty Exhaust Gas Recirculation Motor, Exhaust Gas Recirculation Motor harness is open or shorted, Exhaust Gas Recirculation Motor circuit poor electrical connection.
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 1,068

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 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P140E GMC Description

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Motor. The PCM sets the OBDII code when the Exhaust Gas Recirculation Motor is not to factory specifications.

OBDII Code P140E GMC - Exhaust Gas Recirculation Motor Control Circuit 2 High Voltage - AutoCodes.com — P140E GMC Code - Exhaust Gas Recirculation Motor Control Circuit 2 High Voltage

What does this mean?

What are the Possible Causes of the DTC P140E GMC?

Faulty Exhaust Gas Recirculation Motor
Exhaust Gas Recirculation Motor harness is open or shorted
Exhaust Gas Recirculation Motor circuit poor electrical connection

How to Fix the DTC P140E GMC?

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 P140E GMC 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 P140E GMC code?

Need more information on how to fix the P140E GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P140E GMC 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 P140E GMC Code

1. What are the common symptoms of OBDII code P140E GMC?

- Common symptoms include rough idling, engine stalling, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What causes the OBDII code P140E GMC to be triggered?

- The code is triggered when the Exhaust Gas Recirculation (EGR) motor control circuit 2 detects a high voltage condition, often caused by a faulty EGR valve or wiring issues.

3. How can I diagnose the OBDII code P140E GMC?

- Diagnosis typically involves inspecting the EGR valve, checking the wiring harness for damage, and using a multimeter to test the voltage in the EGR motor control circuit.

4. Is it safe to continue driving with the OBDII code P140E GMC active?

- It is not recommended to drive with the code active, as it can lead to poor engine performance and potential damage. It's best to address the issue promptly.

5. How can I repair the OBDII code P140E GMC?

- Repair options may include replacing the EGR valve, repairing any damaged wiring, resetting the fault codes, and retesting the system to ensure the issue has been resolved.

6. Can a dirty EGR system cause the OBDII code P140E GMC?

- Yes, a dirty or clogged EGR system can cause the code to be triggered, as it can affect the proper operation of the EGR valve and motor control circuit.

7. Are there any maintenance tips to prevent the OBDII code P140E GMC from recurring?

- Regularly inspecting and cleaning the EGR system, checking the wiring connections, and using high-quality fuel can help prevent the code from recurring.

8. How much does it typically cost to repair the OBDII code P140E GMC at a mechanic?

- The cost of repair can vary depending on the specific issue, but it may range from $200 to $500, including parts and labor.

9. Will resetting the Check Engine Light resolve the OBDII code P140E GMC?

- Resetting the Check Engine Light may temporarily turn it off, but if the underlying issue causing the code is not addressed, the light is likely to come back on.

10. Can I use an OBDII scanner to clear the OBDII code P140E GMC myself?

- Yes, you can use an OBDII scanner to clear the code yourself, but it's important to diagnose and fix the root cause of the issue to prevent it from reoccurring.