OBD Guide

P01BA

Engine Oil Temperature Sensor B Range/Performance

P01BA is an OBD-II diagnostic trouble code meaning: Engine Oil Temperature Sensor B Range/Performance. Common causes: oil temperature sensor b fault, open or shorted sensor wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect oil temperature readings on the dashboard
  • Reduced engine efficiency
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Oil temperature sensor B fault
  • Open or shorted sensor wiring harness
  • Poor contact in the sensor connector
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the condition of oil temperature sensor B
  2. Inspect the wiring harness and sensor connector for damage.
  3. Check sensor resistance at different temperatures
  4. If necessary, replace oil temperature sensor B
  5. Reset the error and check if it appears again

Related codes

Error P01BA by Vehicle Brand

FAQ

What does the P01BA code mean?

P01BA is an OBD-II diagnostic trouble code that indicates: Engine Oil Temperature Sensor B Range/Performance

What causes a P01BA error code?

The most common causes of P01BA include: Oil temperature sensor B fault; Open or shorted sensor wiring harness; Poor contact in the sensor connector; Problems with the engine control unit (ECU).

How do I fix a P01BA diagnostic trouble code?

To fix P01BA: Check the condition of oil temperature sensor B. Inspect the wiring harness and sensor connector for damage.. Check sensor resistance at different temperatures. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01BA?

Limited driving only, diagnose soon

How much does it cost to fix P01BA?

The estimated repair cost for P01BA is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat