Engine-CodesGeneric – P074E

P074E Code - Unable To Engage Gear 6

Quick Answer

The diagnostic trouble code P074E indicates that the vehicle's transmission control module (TCM) is unable to engage gear 6. Common causes include Faulty shift solenoids, Wiring harness issues, TCM software malfunction. 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
P074E indicates Unable To Engage Gear 6.
Common causes
Common causes include Faulty shift solenoids, Wiring harness issues, TCM software malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P074E Description

The diagnostic trouble code P074E indicates that the vehicle's transmission control module (TCM) is unable to engage gear 6. This can have serious implications for the vehicle's performance, as it may result in issues with acceleration, shifting, and overall drivability. When the TCM is unable to engage gear 6, it can lead to rough or delayed shifting, reduced fuel efficiency, and potential damage to the transmission components.

OBDII Code P074E - Unable To Engage Gear 6
P074E Code - Unable To Engage Gear 6

Common Causes of P074E

  1. Faulty shift solenoids
  2. Wiring harness issues
  3. TCM software malfunction
  4. Internal transmission damage
  5. Low transmission fluid levels

Symptoms of P074E

  1. Rough or delayed shifting between gears
  2. Slipping or jerking when accelerating
  3. Engine revving without corresponding acceleration
  4. Illuminated check engine light
  5. Reduced fuel efficiency

How to Fix P074E

  1. Diagnostic scan: Use a diagnostic scanner to retrieve the trouble codes and determine the specific issue with the transmission.
  2. Check transmission fluid: Inspect the transmission fluid level and quality, topping off or replacing as needed.
  3. Test shift solenoids: Test the shift solenoids to ensure they are functioning properly and replace any faulty solenoids.
  4. Check wiring harness: Inspect the wiring harness for any damage or loose connections, repairing or replacing as necessary.
  5. TCM reprogramming: If the issue is related to TCM software, reprogram or update the TCM to address the gear engagement problem.

Cost to Fix P074E

The cost of repairing a P074E code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair cost for this issue can range from $200 to $800, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary between $80 and $150 per hour, so the final cost may be higher or lower based on the shop's rates and the complexity of the repair. It's recommended to get a personalized estimate from a qualified mechanic or repair shop to determine the exact cost for your vehicle.

Need more information about the P074E code?

Need more information on how to fix the P074E code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P074E 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 P074E Code

No Frequently Asked Questions about P074E Code found.

Discuss the causes and fixes for P074E OBDII Code

Code P074E comments

No comments found for this page.