Engine-Codes - Jeep - B121B Jeep

B121B Jeep Code - Right Heated Seat HI Indicator Control Circuit Open

- Code Popularity: 1,028 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B121B Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Right Heated Seat Switch
  • Right Heated Seat Switch harness is open or shorted
  • Right Heated Seat Switch circuit poor electrical connection
  • Faulty Instrument Cluster
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How to Fix the DTC B121B Jeep?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B121B Jeep code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B121B Jeep Code Mean?

The Instrument Cluster monitors the Right Heated Seat Switch. This code is set immediately when the Cluster detects low voltage on the heated seat indicator control circuit.

B121B Jeep Code - Right Heated Seat HI Indicator Control Circuit Open

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