AutoCodes – Jeep – B120E Jeep

B120E Jeep Code - Left Heated Seat HI Indicator Control Circuit High

Quick Answer

The Instrument Cluster monitors the Left Heated Seat Switch. Common causes include Faulty Left Heated Seat Switch, Left Heated Seat Switch harness is open or shorted, Left Heated Seat Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B120E Jeep indicates Left Heated Seat HI Indicator Control Circuit High.
Common causes: Common causes include Faulty Left Heated Seat Switch, Left Heated Seat Switch harness is open or shorted, Left Heated Seat Switch circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 993

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B120E Jeep Description

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

OBDII Code B120E Jeep - Left Heated Seat HI Indicator Control Circuit High - AutoCodes.com — B120E Jeep Code - Left Heated Seat HI Indicator Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B120E Jeep?

Faulty Left Heated Seat Switch
Left Heated Seat Switch harness is open or shorted
Left Heated Seat Switch circuit poor electrical connection
Faulty Instrument Cluster

How to Fix the DTC B120E Jeep?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B120E Jeep code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B120E Jeep code?

Need more information on how to fix the B120E Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B120E Jeep code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B120E Jeep Code

1. What are the common symptoms of OBDII code B120E in a Jeep related to the Left Heated Seat HI Indicator Control Circuit High?

- Common symptoms include the left heated seat high indicator staying illuminated even when the seat is not in high heat mode.

2. What are the possible causes of OBDII code B120E in a Jeep for the Left Heated Seat HI Indicator Control Circuit High?

- Possible causes may include a faulty heated seat module, wiring issues, or a malfunctioning heated seat switch.

3. How can I diagnose the issue with OBDII code B120E on my Jeep's left heated seat circuit?

- You can start by checking the wiring harness for any visible damage or loose connections, testing the heated seat module, and verifying the functionality of the heated seat switch.

4. Is it safe to continue driving my Jeep with OBDII code B120E related to the Left Heated Seat HI Indicator Control Circuit High?

- While the vehicle should still be safe to drive, it is recommended to address the issue promptly to ensure proper functioning of the heated seat system.

5. Can I repair OBDII code B120E in my Jeep related to the Left Heated Seat HI Indicator Control Circuit High myself?

- Depending on your skill level and access to tools, you may be able to repair the issue yourself by following diagnostic procedures outlined in the vehicle's service manual.

6. How much does it typically cost to repair OBDII code B120E on a Jeep for the Left Heated Seat HI Indicator Control Circuit High?

- Repair costs can vary depending on the specific cause of the issue, but it may involve replacing a faulty heated seat module, repairing wiring, or addressing other related components.

7. Can resetting the OBDII code B120E on my Jeep fix the issue with the Left Heated Seat HI Indicator Control Circuit High?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

8. Are there any preventive measures I can take to avoid OBDII code B120E related to the Left Heated Seat HI Indicator Control Circuit High in my Jeep?

- Regularly inspecting the heated seat system, avoiding overuse of high heat settings, and addressing any issues promptly can help prevent this code from appearing.

9. Will OBDII code B120E in a Jeep affect the overall performance of the vehicle?

- This particular code is specific to the left heated seat control circuit and should not impact the overall performance of the vehicle other than the functionality of the heated seat.

10. Is it necessary to visit a dealership for repairs related to OBDII code B120E on my Jeep's Left Heated Seat HI Indicator Control Circuit High?

- While a dealership may have specialized knowledge and tools, a qualified automotive technician should be able to diagnose and repair the issue outside of a dealership setting.