OBD Guide

B0337

Inside Temperature Sensor Short To Ground

B0337 is an OBD-II diagnostic trouble code meaning: Inside Temperature Sensor Short To Ground. Common causes: damage to the sensor wiring harness, short circuit in the temperature sensor circuit. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Incorrect operation of climate control
  • No automatic temperature control
  • High or low temperature readings in the cabin

Causes

  • Damage to the sensor wiring harness
  • Short circuit in the temperature sensor circuit
  • Malfunction of the temperature sensor itself
  • Problems with the sensor connector or contacts

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Measure the resistance of the sensor (replace if necessary)
  3. Check the contacts of the sensor connector
  4. Repair short circuit to ground

Related codes

Error B0337 by Vehicle Brand

FAQ

What does the B0337 code mean?

B0337 is an OBD-II diagnostic trouble code that indicates: Inside Temperature Sensor Short To Ground

What causes a B0337 error code?

The most common causes of B0337 include: Damage to the sensor wiring harness; Short circuit in the temperature sensor circuit; Malfunction of the temperature sensor itself; Problems with the sensor connector or contacts.

How do I fix a B0337 diagnostic trouble code?

To fix B0337: Check the integrity of the sensor wiring harness. Measure the resistance of the sensor (replace if necessary). Check the contacts of the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0337?

Limited driving only, diagnose soon

How much does it cost to fix B0337?

The estimated repair cost for B0337 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat