OBD Guide
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P10B4

Charge Air Cooler Temperature Sensor Gradient Too High Bank 1

P10B4 is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Temperature Sensor Gradient Too High Bank 1. Common causes: intercooler temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Rough engine operation
  • Check Engine Light Illuminates
  • Possible misfires

Causes

  • Intercooler temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Mechanical damage to the intercooler
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the intercooler temperature sensor
  2. Check the integrity of the sensor circuit and connectors
  3. Inspect the intercooler for damage
  4. Test the sensor using diagnostic equipment
  5. Replace sensor if necessary

Related codes

P10B3P10B5P10B6

FAQ

What does the P10B4 code mean?

P10B4 is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Temperature Sensor Gradient Too High Bank 1

What causes a P10B4 error code?

The most common causes of P10B4 include: Intercooler temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical damage to the intercooler.

How do I fix a P10B4 diagnostic trouble code?

To fix P10B4: Check the condition of the intercooler temperature sensor. Check the integrity of the sensor circuit and connectors. Inspect the intercooler for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P10B4?

Yes, but get it checked soon

How much does it cost to fix P10B4?

The estimated repair cost for P10B4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat