AutoCodes – Generic – P1DAA

P1DAA Code - Transmission Temperature Undetermined

Quick Answer

The transmission monitoring system uses three temperature sensors. Common causes include Faulty Transmission Temperature Sensor, Transmission Temperature Sensor harness is open or shorted, Transmission Temperature Sensor 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
P1DAA indicates Transmission Temperature Undetermined.
Common causes
Common causes include Faulty Transmission Temperature Sensor, Transmission Temperature Sensor harness is open or shorted, Transmission Temperature Sensor 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.
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Code Popularity 1,076
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 21, 2020
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Code P1DAA Description

The transmission monitoring system uses three temperature sensors. If anyone of the sensors fails, the other two sensors are used for the control and temperature monitoring calculations and the Malfunction Indicator Lamp (MIL) will not be illuminated. The MIL will only illuminate when more than one temperature sensor has a failure.
OBDII Code P1DAA - Transmission Temperature Undetermined - AutoCodes.com
P1DAA Code - Transmission Temperature Undetermined

What are the Possible Causes of the DTC P1DAA?

  • Faulty Transmission Temperature Sensor
  • Transmission Temperature Sensor harness is open or shorted
  • Transmission Temperature Sensor circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P1DAA?

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 P1DAA 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.

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Information for Specific Makes

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.

Frequently Asked Questions about P1DAA Code

1. What are the common symptoms of OBDII code P1DAA (Transmission Temperature Undetermined)?

- Common symptoms include the transmission temperature gauge not working properly, erratic temperature readings, or a warning light on the dashboard.

2. What are the possible causes of OBDII code P1DAA?

- The code P1DAA can be triggered by issues such as a faulty transmission temperature sensor, wiring problems, or a malfunctioning control module.

3. How can I diagnose the OBDII code P1DAA?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the transmission temperature sensor and its connections, and conducting a visual inspection of related components.

4. Can a faulty thermostat cause OBDII code P1DAA to appear?

- Yes, a faulty thermostat can affect transmission temperature readings and potentially trigger the P1DAA code.

5. What are some repair tips for addressing OBDII code P1DAA?

- Repair tips may include checking and replacing the transmission temperature sensor, inspecting and repairing any damaged wiring, or resetting the control module after resolving the issue.

6. Is it safe to continue driving with OBDII code P1DAA present?

- It is not recommended to ignore the P1DAA code, as it indicates a potential issue with the transmission temperature system that could lead to further damage if left unaddressed.

7. Can I reset the OBDII code P1DAA on my own?

- You can attempt to reset the code using an OBDII scanner, but it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it typically cost to repair OBDII code P1DAA?

- The cost of repairing the P1DAA code can vary depending on the specific cause of the issue, but it may involve expenses for parts and labor at a repair shop.

9. Are there any preventive measures to avoid OBDII code P1DAA in the future?

- Regular maintenance of the transmission system, including checking sensors and wiring, can help prevent issues that may trigger the P1DAA code.

10. Can extreme weather conditions affect the transmission temperature readings and trigger OBDII code P1DAA?

- Yes, extreme temperatures can impact the accuracy of transmission temperature readings, potentially leading to the appearance of the P1DAA code.

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