OBD Guide

P1DAA

Transmission Temperature Undetermined

P1DAA is an OBD-II diagnostic trouble code meaning: Transmission Temperature Undetermined. Common causes: transmission temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Transmission transition to emergency mode
  • Hard gear shifts
  • Malfunction indicator light comes on
  • Reduced vehicle dynamics
  • Maximum speed limit

Causes

  • Transmission temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Transmission control module (TCM) malfunction
  • Low transmission fluid level

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the transmission temperature sensor
  3. Check the integrity of the sensor circuit and the quality of the contacts
  4. If necessary, replace the temperature sensor
  5. Check and, if necessary, reflash or replace the TCM

Related codes

FAQ

What does the P1DAA code mean?

P1DAA is an OBD-II diagnostic trouble code that indicates: Transmission Temperature Undetermined

What causes a P1DAA error code?

The most common causes of P1DAA include: Transmission temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Transmission control module (TCM) malfunction.

How do I fix a P1DAA diagnostic trouble code?

To fix P1DAA: Check the level and condition of the transmission fluid. Diagnose the transmission temperature sensor. Check the integrity of the sensor circuit and the quality of the contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1DAA?

Limited driving only, diagnose soon

How much does it cost to fix P1DAA?

The estimated repair cost for P1DAA is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat