OBD Guide

P1E34

Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit High Voltage

P1E34 is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit High Voltage. Common causes: inverter temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Gear shifting problems
  • Reduced transmission performance
  • Transmission fluid overheating
  • Activating emergency transmission mode

Causes

  • Inverter temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Pump inverter problems
  • Transmission fluid auxiliary pump malfunction
  • Poor contact in sensor circuit connectors

How to Fix

  1. Check the continuity of the inverter temperature sensor circuit
  2. Check the resistance and signal of the temperature sensor
  3. Inspect connectors and wiring harness for damage
  4. Check the operation of the inverter and auxiliary pump
  5. Replace faulty components

Related codes

FAQ

What does the P1E34 code mean?

P1E34 is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit High Voltage

What causes a P1E34 error code?

The most common causes of P1E34 include: Inverter temperature sensor malfunction; Open or short circuit in the sensor circuit; Pump inverter problems; Transmission fluid auxiliary pump malfunction.

How do I fix a P1E34 diagnostic trouble code?

To fix P1E34: Check the continuity of the inverter temperature sensor circuit. Check the resistance and signal of the temperature sensor. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E34?

Limited driving only, diagnose soon

How much does it cost to fix P1E34?

The estimated repair cost for P1E34 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat