OBD Guide

B2105

Throttle Position Input Out of Range Low

B2105 is an OBD-II diagnostic trouble code meaning: Throttle Position Input Out of Range Low. Common causes: throttle position sensor (tps) malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Unstable engine idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Throttle Position Sensor (TPS) malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the engine control unit (ECU)

How to Fix

  1. Check the continuity of the TPS sensor circuit (open, short to ground)
  2. Clean the contacts of the sensor connector
  3. Replace throttle position sensor
  4. Check and, if necessary, replace the computer

Related codes

FAQ

What does the B2105 code mean?

B2105 is an OBD-II diagnostic trouble code that indicates: Throttle Position Input Out of Range Low

What causes a B2105 error code?

The most common causes of B2105 include: Throttle Position Sensor (TPS) malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the engine control unit (ECU).

How do I fix a B2105 diagnostic trouble code?

To fix B2105: Check the continuity of the TPS sensor circuit (open, short to ground). Clean the contacts of the sensor connector. Replace throttle position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2105?

Limited driving only, diagnose soon

How much does it cost to fix B2105?

The estimated repair cost for B2105 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat