OBD Guide

P0708

Transmission Range Sensor A Circuit High

P0708 is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor A Circuit High. Common causes: transmission range sensor (trs) malfunction, short circuit to positive in the sensor circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light is on
  • The gearbox goes into emergency mode
  • The car does not start (does not see P/N)
  • Incorrect display of selector position on the dashboard
  • Gear shifting problems

Causes

  • Transmission Range Sensor (TRS) Malfunction
  • Short circuit to positive in the sensor circuit
  • Broken or damaged sensor wiring harness
  • Poor contact in sensor connectors
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check TRS sensor voltage and resistance according to specification
  2. Inspect the wiring harness and connectors for damage
  3. Check the circuit between the sensor and the TCM for a short or open circuit.
  4. Replace transmission range sensor if necessary
  5. If the problem persists, check the TCM

Related codes

Error P0708 by Vehicle Brand

FAQ

What does the P0708 code mean?

P0708 is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor A Circuit High

What causes a P0708 error code?

The most common causes of P0708 include: Transmission Range Sensor (TRS) Malfunction; Short circuit to positive in the sensor circuit; Broken or damaged sensor wiring harness; Poor contact in sensor connectors.

How do I fix a P0708 diagnostic trouble code?

To fix P0708: Check TRS sensor voltage and resistance according to specification. Inspect the wiring harness and connectors for damage. Check the circuit between the sensor and the TCM for a short or open circuit.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0708?

Limited driving only, diagnose soon

How much does it cost to fix P0708?

The estimated repair cost for P0708 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat