OBD Guide

P2ACB

Charge Air Cooler Coolant Temperature Sensor B Intermittent/Erratic

P2ACB is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Coolant Temperature Sensor B Intermittent/Erratic. Common causes: poor contact in the sensor connector, open or shorted wiring harness. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Possible misfires

Causes

  • Poor contact in the sensor connector
  • Open or shorted wiring harness
  • Malfunction of the temperature sensor itself
  • Circuit Grounding Problems
  • Contact corrosion

How to Fix

  1. Check connections and sensor connector
  2. Test sensor resistance
  3. Check the integrity of the wires in the circuit
  4. Replace sensor if necessary
  5. Clean contacts from corrosion

Related codes

Error P2ACB by Vehicle Brand

FAQ

What does the P2ACB code mean?

P2ACB is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Coolant Temperature Sensor B Intermittent/Erratic

What causes a P2ACB error code?

The most common causes of P2ACB include: Poor contact in the sensor connector; Open or shorted wiring harness; Malfunction of the temperature sensor itself; Circuit Grounding Problems.

How do I fix a P2ACB diagnostic trouble code?

To fix P2ACB: Check connections and sensor connector. Test sensor resistance. Check the integrity of the wires in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2ACB?

Yes, but get it checked soon

How much does it cost to fix P2ACB?

The estimated repair cost for P2ACB is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat