OBD Guide
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B1D23

Power Steering Overheat Sensor

B1D23 is an OBD-II diagnostic trouble code meaning: Power Steering Overheat Sensor. Common causes: malfunction of the power steering temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration in power steering performance
  • Overheating of the power steering system

Causes

  • Malfunction of the power steering temperature sensor
  • Open or short circuit in the sensor circuit
  • Power steering fluid leak
  • Clogged power steering system
  • Power steering pump malfunction

How to Fix

  1. Check the level and condition of the power steering fluid
  2. Inspect the system for leaks
  3. Check the integrity of the sensor wiring harness
  4. Check the resistance of the temperature sensor
  5. Replace temperature sensor if necessary
  6. Flush the power steering system if clogged

Related codes

B1D22B1D24

FAQ

What does the B1D23 code mean?

B1D23 is an OBD-II diagnostic trouble code that indicates: Power Steering Overheat Sensor

What causes a B1D23 error code?

The most common causes of B1D23 include: Malfunction of the power steering temperature sensor; Open or short circuit in the sensor circuit; Power steering fluid leak; Clogged power steering system.

How do I fix a B1D23 diagnostic trouble code?

To fix B1D23: Check the level and condition of the power steering fluid. Inspect the system for leaks. Check the integrity of the sensor wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D23?

Limited driving only, diagnose soon

How much does it cost to fix B1D23?

The estimated repair cost for B1D23 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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