AutoCodes – Dodge – B120F Dodge

B120F Dodge Code - Left Heated Seat HI Indicator Control Circuit Open

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: B120F Dodge indicates Left Heated Seat HI Indicator Control Circuit Open.
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.

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Code Popularity 1,103

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
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Code B120F Dodge Description

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

OBDII Code B120F Dodge - Left Heated Seat HI Indicator Control Circuit Open - AutoCodes.com — B120F Dodge Code - Left Heated Seat HI Indicator Control Circuit Open

What does this mean?

What are the Possible Causes of the DTC B120F Dodge?

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 B120F Dodge?

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 B120F Dodge 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.

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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 B120F Dodge Code

1. What are common symptoms of OBDII code B120F in a Dodge related to the Left Heated Seat HI Indicator Control Circuit Open?

- The most common symptom is the left heated seat HI indicator not functioning properly or illuminating incorrectly.

2. What can cause the OBDII code B120F to trigger in a Dodge?

- The code may be triggered by a faulty heated seat HI indicator control module, damaged wiring, or a poor electrical connection.

3. How can I diagnose the cause of the Left Heated Seat HI Indicator Control Circuit Open error code in my Dodge?

- To diagnose the issue, you can use a multimeter to test the wiring and connections for continuity and check the heated seat HI indicator control module for proper functioning.

4. Is it safe to continue driving with the B120F OBDII code in a Dodge?

- It is generally safe to continue driving with this code, as it primarily affects the functionality of the heated seat indicator and does not impact the overall vehicle performance.

5. Can I repair the Left Heated Seat HI Indicator Control Circuit Open issue in my Dodge by myself?

- If you have experience with automotive electrical systems, you may be able to repair this issue yourself by checking and repairing any damaged wiring or connections.

6. Are there any common tricks or tips to resolve the B120F code in a Dodge?

- A common tip is to first check the fuse related to the heated seats, as a blown fuse can often cause issues with the indicator control circuit.

7. Will resetting the OBDII code B120F in a Dodge make the problem go away permanently?

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

8. How much does it typically cost to repair the Left Heated Seat HI Indicator Control Circuit Open problem in a Dodge?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can extreme weather conditions contribute to triggering the B120F OBDII code in a Dodge?

- Yes, extreme temperatures or moisture can sometimes exacerbate electrical issues, leading to the Left Heated Seat HI Indicator Control Circuit Open error code.

10. Is the OBDII code B120F specific to Dodge vehicles, or can it occur in other car makes and models?

- While this code is specific to Dodge vehicles, similar issues with heated seat indicator control circuits can occur in other car makes and models as well.