Engine-Codes - Generic - B120A

B120A - Passenger Seat Cushion Temperature Sensor

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B120A Possible Causes

  • Faulty Passenger Seat Cushion Temperature Sensor
  • Passenger Seat Cushion Temperature Sensor harness is open or shorted
  • Passenger Seat Cushion Temperature Sensor circuit poor electrical connection
  • Faulty Seat Control Module E (SCME)

How is the B120A code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

B120A:01 Passenger Seat Cushion Temperature Sensor General Electrical Failure
B120A:98 Passenger Seat Cushion Temperature Sensor Component or System Over Temperature

What is the cost to diagnose the B120A code

Labor: 1.0

The cost to diagnose the B120A code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B120A Meaning

The Seat Control Module E (SCME) monitors the Passenger Seat Cushion Temperature Sensor. The SCME sets the OBDII code when the Passenger Seat Cushion Temperature Sensor is not to factory specifications.

More Information

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Information for specific makes

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