AutoCodes – Chrysler – B120E Chrysler

B120E Chrysler 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 Chrysler 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 934
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B120E Chrysler 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 Chrysler - Left Heated Seat HI Indicator Control Circuit High - AutoCodes.com
B120E Chrysler Code - Left Heated Seat HI Indicator Control Circuit High

What are the Possible Causes of the DTC B120E Chrysler?

  • 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 Chrysler?

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 Chrysler 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 Chrysler code?

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

Need Help with the Code?

Get the B120E Chrysler 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 Chrysler Code

1. What are the common symptoms of OBDII code B120E in a Chrysler indicating a Left Heated Seat HI Indicator Control Circuit High fault?

- The common symptoms include the left heated seat HI indicator staying illuminated constantly, even when the seat heating is turned off.

2. What are the possible causes of the OBDII code B120E in a Chrysler related to the Left Heated Seat HI Indicator Control Circuit High issue?

- Possible causes may include a malfunctioning heated seat control module, a faulty wiring harness, or a short circuit in the left heated seat HI indicator circuit.

3. How can I diagnose the OBDII code B120E in a Chrysler for the Left Heated Seat HI Indicator Control Circuit High problem?

- You can start by inspecting the wiring harness connected to the left heated seat, checking for any visible damage or loose connections. Using a multimeter to test the circuit continuity and resistance can also help identify the issue.

4. Is it safe to continue driving a Chrysler with the OBDII code B120E indicating a Left Heated Seat HI Indicator Control Circuit High fault?

- It is generally safe to drive the vehicle with this fault, but the left heated seat functionality may be affected. It is recommended to address the issue promptly to ensure proper operation of the heated seat system.

5. Can I repair the OBDII code B120E related to the Left Heated Seat HI Indicator Control Circuit High problem on my Chrysler by myself?

- Depending on your skill level and access to tools, you may be able to repair the issue yourself by following the diagnostic steps outlined in the service manual. However, if you are unsure or inexperienced, it is best to seek assistance from a qualified mechanic.

6. Are there any quick tips for troubleshooting the OBDII code B120E in a Chrysler associated with the Left Heated Seat HI Indicator Control Circuit High issue?

- A quick tip is to check the fuse related to the heated seat system to ensure it is not blown. Additionally, inspecting the seat wiring for any visible damage or corrosion can sometimes reveal the source of the problem.

7. How much does it typically cost to repair the OBDII code B120E in a Chrysler due to the Left Heated Seat HI Indicator Control Circuit High fault?

- The cost of repair can vary depending on the root cause of the issue and labor rates in your area. It is advisable to get quotes from different repair shops to compare prices before proceeding with the repair.

8. Can extreme cold weather affect the triggering of the OBDII code B120E in a Chrysler related to the Left Heated Seat HI Indicator Control Circuit High issue?

- Extreme cold weather can sometimes exacerbate electrical issues in vehicles, including problems with heated seat systems. However, the root cause of the fault is typically related to a component failure rather than just temperature fluctuations.

9. Will resetting the OBDII code B120E related to the Left Heated Seat HI Indicator Control Circuit High fault make the issue go away permanently?

- Resetting the code may temporarily turn off the warning light, but if the underlying problem is not addressed, it is likely to reoccur. It is essential to diagnose and fix the root cause to prevent the code from coming back.

10. Can the OBDII code B120E in a Chrysler triggering the Left Heated Seat HI Indicator Control Circuit High fault affect other electrical systems in the vehicle?

- While the code specifically relates to the left heated seat circuit, electrical issues can sometimes cause ripple effects on other systems. It is recommended to address the fault promptly to prevent any potential impact on other vehicle functions.

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