OBD Guide

B122E

PTS Sensor 7 Ring Time Too Short

B122E is an OBD-II diagnostic trouble code meaning: PTS Sensor 7 Ring Time Too Short. Common causes: pts 7 sensor malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $56–167.

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

Symptoms

  • The brake system fault indicator lights up
  • Reduced braking performance
  • Errors in the operation of the emergency braking assistance system
  • Activating dashboard alerts

Causes

  • PTS 7 sensor malfunction
  • Damage to the wiring harness to the sensor
  • Poor contact in connectors
  • Interference in the electrical circuit
  • Problems with the brake system control unit

How to Fix

  1. Carry out diagnostics with an OBD-II scanner to confirm the error.
  2. Check the integrity of the wiring harness to the PTS 7 sensor
  3. Inspect the sensor connectors for oxidation or damage.
  4. Test PTS 7 resistance and signals
  5. If necessary, replace the PTS 7 sensor
  6. Clear the error and test drive to verify

Related codes

FAQ

What does the B122E code mean?

B122E is an OBD-II diagnostic trouble code that indicates: PTS Sensor 7 Ring Time Too Short

What causes a B122E error code?

The most common causes of B122E include: PTS 7 sensor malfunction; Damage to the wiring harness to the sensor; Poor contact in connectors; Interference in the electrical circuit.

How do I fix a B122E diagnostic trouble code?

To fix B122E: Carry out diagnostics with an OBD-II scanner to confirm the error.. Check the integrity of the wiring harness to the PTS 7 sensor. Inspect the sensor connectors for oxidation or damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B122E?

Limited driving only, diagnose soon

How much does it cost to fix B122E?

The estimated repair cost for B122E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat