AutoCodes – GMC – P1740 GMC

P1740 GMC Code - Torque Control Circuit Conditions

Quick Answer

With the key on or engine running, the Powertrain Control module (PCM) detects that a request for engine torque reduction had failed. Common causes include Check for transmission mechanical problems. 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: P1740 GMC indicates Torque Control Circuit Conditions.
Common causes: Common causes include Check for transmission mechanical problems.
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 1,876

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 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1740 GMC Description

With the key on or engine running, the Powertrain Control module (PCM) detects that a request for engine torque reduction had failed.

OBDII Code P1740 GMC - Torque Control Circuit Conditions - AutoCodes.com — P1740 GMC Code - Torque Control Circuit Conditions

What does this mean?

What are the Possible Causes of the DTC P1740 GMC?

Check for transmission mechanical problems

How to Fix the DTC P1740 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 P1740 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 P1740 GMC code?

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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.