OBD Guide

P0712

Transmission Fluid Temperature Sensor A Circuit Low

P0712 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Temperature Sensor A Circuit Low. Common causes: transmission fluid temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $13–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$13–56 (est.)

Symptoms

  • Incorrect gear shifts
  • Increased engine speed before shifting
  • Transmission fluid overheating
  • Illumination of the fault warning lamp (Check Engine)
  • Reduced transmission efficiency

Causes

  • Transmission fluid temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contacts or corrosion in connectors
  • Transmission control module (TCM) malfunction
  • Transmission fluid level is low or the wrong fluid is being used

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Inspect the sensor circuit for damage and corrosion.
  3. Check the resistance of the transmission fluid temperature sensor
  4. Replace temperature sensor if necessary
  5. Check connection to transmission control unit

Related codes

Error P0712 by Vehicle Brand

FAQ

What does the P0712 code mean?

P0712 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Temperature Sensor A Circuit Low

What causes a P0712 error code?

The most common causes of P0712 include: Transmission fluid temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contacts or corrosion in connectors; Transmission control module (TCM) malfunction.

How do I fix a P0712 diagnostic trouble code?

To fix P0712: Check the level and condition of the transmission fluid. Inspect the sensor circuit for damage and corrosion.. Check the resistance of the transmission fluid temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0712?

Yes, but get it checked soon

How much does it cost to fix P0712?

The estimated repair cost for P0712 is $13–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat