AutoCodes – Chrysler – B18BB Chrysler

B18BB Chrysler Code - Window Control Circuit Low

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Master Window Switch. Common causes include Faulty Master Window Switch, Master Window Switch harness is open or shorted, Master Window Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B18BB Chrysler indicates Window Control Circuit Low.
Common causes: Common causes include Faulty Master Window Switch, Master Window Switch harness is open or shorted, Master Window Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,179

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B18BB Chrysler Description

The Totally Integrated Power Module (TIPM) monitors the Master Window Switch. The TIPM sets the OBDII code when it senses a draw of between 65 and 100 amps for 80 ms.

OBDII Code B18BB Chrysler - Window Control Circuit Low - AutoCodes.com — B18BB Chrysler Code - Window Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B18BB Chrysler?

Faulty Master Window Switch
Master Window Switch harness is open or shorted
Master Window Switch circuit poor electrical connection
Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B18BB 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 B18BB 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.

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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 B18BB Chrysler Code

1. What are the common symptoms of OBDII code B18BB Chrysler (Window Control Circuit Low)?

- Common symptoms include issues with power windows not functioning properly, windows getting stuck, or windows rolling down or up intermittently.

2. What causes the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- The code B18BB Chrysler typically indicates a problem with the wiring, connectors, or motor associated with the window control circuit.

3. How can I diagnose the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- To diagnose this code, you can start by checking the wiring and connectors for any signs of damage or corrosion. Testing the window motor and control module may also be necessary.

4. Can a blown fuse cause the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- Yes, a blown fuse in the window circuit can trigger the B18BB Chrysler code. It's important to check and replace any blown fuses as part of the troubleshooting process.

5. What are some repair tips for fixing the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- Repair tips include inspecting and repairing any damaged wiring or connectors, replacing a faulty window motor, or resetting the control module to clear the code.

6. Is it safe to continue driving with the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- It is generally safe to drive with this code, but it's important to address the underlying issue promptly to ensure proper operation of the power windows.

7. Can a DIY enthusiast fix the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- Depending on the level of expertise, a DIY enthusiast may be able to diagnose and repair the B18BB Chrysler code by following a repair manual or online guides.

8. How much does it typically cost to repair the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- The cost of repairing the B18BB Chrysler code can vary depending on the specific issue, but it may involve expenses for parts and labor ranging from $100 to $300 or more.

9. Are there any preventative measures to avoid the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- Regularly inspecting and maintaining the window system, keeping the wiring connections clean and secure, and avoiding overloading the windows can help prevent this code from appearing.

10. Can weather conditions affect the occurrence of the OBDII code B18BB Chrysler (Window Control Circuit Low)?

- Extreme weather conditions, such as excessive heat or moisture, can potentially exacerbate issues with the window control circuit and lead to the B18BB Chrysler code triggering.