OBD Guide

P070B

Transmission Fluid Level Sensor Circuit Range/Performance

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

Symptoms

  • Check Engine Light Is On
  • Incorrect transmission fluid level readings
  • Gear shifting problems
  • Reduced transmission efficiency

Causes

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

How to Fix

  1. Check the transmission fluid level and, if necessary, add or drain excess
  2. Inspect the sensor circuit for damage
  3. Check sensor and TCM connectors for oxidation or poor contact.
  4. Test the transmission fluid level sensor
  5. Replace sensor if necessary

Related codes

Error P070B by Vehicle Brand