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AutoCodes - Generic - P1812

P1812 Code - Transmission Fluid Overtemperature

- Code Popularity: 17,047 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1812?

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 Fluid Temperature (TFT) Sensor
  • Transmission Fluid Temperature (TFT) Sensor harness is open or shorted
  • Transmission Fluid Temperature (TFT) Sensor circuit poor electrical connection
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How to Fix the DTC P1812?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1812 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1812 Description

The Powertrain Control Module (PCM) detects a Transmission Fluid Temperature (TFT) Sensor input of more than 266°F, all conditions met for over 6 minutes, 48 seconds.

OBDII Code P1812 - Transmission Fluid Overtemperature - AutoCodes.com
P1812 Code - Transmission Fluid Overtemperature

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Code P1812 comments

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