Engine-Codes - Generic - P0802

P0802 Code - Transmission Control System MIL Request Circuit Open

- Code Popularity: 16,299 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0802?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module (TCM) harness is open or shorted
  • Transmission Control Module (TCM) circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
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How to Fix the DTC P0802?

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 P0802 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)

What Does the P0802 Code Mean?

The Transmission Control Module (TCM) Malfunction Indicator Lamp (MIL) request circuit signals the Powertrain Control Module (PCM) that the TCM is requesting MIL illumination. The Diagnostic Trouble Code (DTC) will set when the PCM is detecting an incorrect voltage level on the TCM request circuit.

P0802 Code - Transmission Control System MIL Request Circuit Open

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Code P0802 Information for Specific Makes

  • P0802 Chevrolet Transmission Control System MIL Request Circuit Open
  • P0802 GMC Transmission Control System MIL Request Circuit Open
  • P0802 Isuzu Transmission Control Module MIL Request Circuit

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