Engine-Codes - GMC - P0700 GMC

P0700 GMC Code - Transmission Control Module Requested MIL Illumination

- Code Popularity: 62,516 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0700 GMC?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Check Transmission Control Module (TCM) for codes
  • Faulty Transmission Control Module

Code Tech Notes

The code P0700 is an informative code, it means that there is a problem with the transmission and the Transmission Control Module (TCM) needs to be checked for more codes.

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How to Fix the DTC P0700 GMC?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0700 GMC code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Drivability problems
  • Transmission shifting problems

What Does the P0700 GMC Code Mean?

The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. When the TCM detects a malfunction with the control, a signal is sent to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code, and it means the TCM detected a malfunction with the transmission controls.

P0700 GMC Code - Transmission Control Module Requested MIL Illumination

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