OBD Guide
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B2738

Center Pedestrian Protection Satellite Acceleration Sensor

B2738 is an OBD-II diagnostic trouble code meaning: Center Pedestrian Protection Satellite Acceleration Sensor. Common causes: acceleration sensor malfunction, wiring harness damage. Estimated repair cost: $111–333.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$111–333 (est.)

Symptoms

  • Restraint indicator light is on
  • Error B2738 in diagnostic scanner memory
  • There may be problems activating the airbags in the event of an accident.

Causes

  • Acceleration sensor malfunction
  • Wiring harness damage
  • Sensor connection problems
  • Restraint control module malfunction

How to Fix

  1. Check the integrity of the wiring harness and sensor connections
  2. Check the resistance and signals of the sensor using a multimeter
  3. If necessary, replace the acceleration sensor
  4. Reset the error and test the system

Related codes

B2737B2739B2740

FAQ

What does the B2738 code mean?

B2738 is an OBD-II diagnostic trouble code that indicates: Center Pedestrian Protection Satellite Acceleration Sensor

What causes a B2738 error code?

The most common causes of B2738 include: Acceleration sensor malfunction; Wiring harness damage; Sensor connection problems; Restraint control module malfunction.

How do I fix a B2738 diagnostic trouble code?

To fix B2738: Check the integrity of the wiring harness and sensor connections. Check the resistance and signals of the sensor using a multimeter. If necessary, replace the acceleration sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2738?

Do not drive — repair immediately

How much does it cost to fix B2738?

The estimated repair cost for B2738 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat