P0802 Code - Transmission Control System MIL Request Circuit Open
Quick Answer
The Transmission Control Module (TCM) Malfunction Indicator Lamp (MIL) request circuit signals the Powertrain Control Module (PCM) that the TCM is requesting MIL illumination. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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
- P0802 indicates Transmission Control System MIL Request Circuit Open.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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.
Code P0802 Description
What are the Possible Causes of the DTC P0802?
- 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)
How to Fix the DTC P0802?
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 P0802 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 P0802 code?
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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
Frequently Asked Questions about P0802 Code
No Frequently Asked Questions about P0802 Code found.
Discuss the causes and fixes for P0802 OBDII Code
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i have this code p0802 trans control module. how do i fix it. my truck will not turn on
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