OBD Guide

P0A38

Generator Temperature Sensor Circuit Low

P0A38 is an OBD-II diagnostic trouble code meaning: Generator Temperature Sensor Circuit Low. Common causes: generator temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Charging system is not working properly
  • Reduced generator efficiency
  • Possible battery problems

Causes

  • Generator temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check generator temperature sensor
  2. Check the sensor circuit for open circuit and short circuit
  3. Check connectors and contacts
  4. If necessary, replace the generator temperature sensor

Related codes

Error P0A38 by Vehicle Brand

FAQ

What does the P0A38 code mean?

P0A38 is an OBD-II diagnostic trouble code that indicates: Generator Temperature Sensor Circuit Low

What causes a P0A38 error code?

The most common causes of P0A38 include: Generator temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Engine control unit (ECU) malfunction.

How do I fix a P0A38 diagnostic trouble code?

To fix P0A38: Check generator temperature sensor. Check the sensor circuit for open circuit and short circuit. Check connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A38?

Yes, but get it checked soon

How much does it cost to fix P0A38?

The estimated repair cost for P0A38 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat