OBD Guide

P0A19

Motor Torque Sensor Circuit Low

P0A19 is an OBD-II diagnostic trouble code meaning: Motor Torque Sensor Circuit Low. Common causes: torque sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Unstable engine operation
  • Gear shifting problems (for automatic transmissions)
  • Increased fuel consumption

Causes

  • Torque sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring Harness Problems
  • ECU malfunction (rare)

How to Fix

  1. Check the continuity of the torque sensor circuit
  2. Inspect the sensor connectors for corrosion or damage.
  3. Check sensor resistance (compare with factory specifications)
  4. If necessary, replace the torque sensor
  5. Check and, if necessary, reflash the ECU

Related codes

Error P0A19 by Vehicle Brand

FAQ

What does the P0A19 code mean?

P0A19 is an OBD-II diagnostic trouble code that indicates: Motor Torque Sensor Circuit Low

What causes a P0A19 error code?

The most common causes of P0A19 include: Torque sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring Harness Problems.

How do I fix a P0A19 diagnostic trouble code?

To fix P0A19: Check the continuity of the torque sensor circuit. Inspect the sensor connectors for corrosion or damage.. Check sensor resistance (compare with factory specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A19?

Yes, but get it checked soon

How much does it cost to fix P0A19?

The estimated repair cost for P0A19 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat