AutoCodes – Ford – B1C98 Ford

B1C98 Ford Code - Left Corner Lamp Circuit Circuit Short

Quick Answer

The Steering Column Control Module (SCCM) monitors the multifunction switch position. Common causes include Faulty Left Corner Lamp, Left Corner Lamp harness is open or shorted, Left Corner Lamp 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
B1C98 Ford indicates Left Corner Lamp Circuit Circuit Short.
Common causes
Common causes include Faulty Left Corner Lamp, Left Corner Lamp harness is open or shorted, Left Corner Lamp 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 7,575
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 26, 2019
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Code B1C98 Ford Description

The Steering Column Control Module (SCCM) monitors the multifunction switch position. When the multifunction switch is in the left or right TURN position, the SCCM sends a turn signal switch_status message over the communication network to the Body Control Module (BCM) indicating a request for the left or right turn signal. When the BCM receives a request for a turn signal, the BCM supplies on/off voltage to the appropriate turn lamps.
The timed on/off cycle for turn lamps is determined by the BCM and is set to flash approximately 80 times per minute if both the front and rear turn signal lamps operate correctly. If an individual turn signal lamp is inoperative, the BCM fast flashes the remaining turn lamp approximately 160 times per minute to indicate a bulb outage to the driver. The OBDII sets when the BCM detects the front, rear or exterior mirror turn lamp output is not to factory specifications.
OBDII Code B1C98 Ford - Left Corner Lamp Circuit Circuit Short - AutoCodes.com
B1C98 Ford Code - Left Corner Lamp Circuit Circuit Short

What are the Possible Causes of the DTC B1C98 Ford?

  • Faulty Left Corner Lamp
  • Left Corner Lamp harness is open or shorted
  • Left Corner Lamp circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B1C98 Ford?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1C98 Ford 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 B1C98 Ford code?

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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 B1C98 Ford Code

1. What are the common symptoms of OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- Common symptoms include the left corner lamp not functioning properly or not turning on at all, and the corresponding dashboard warning light illuminating.

2. What are the possible causes of OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- Possible causes may include a short circuit in the wiring, a faulty left corner lamp assembly, a damaged connector, or a problem with the lighting control module.

3. How can I diagnose the issue related to OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- You can start by visually inspecting the wiring and connectors for any obvious damage. Using a multimeter to test the continuity of the circuit can help identify the source of the short.

4. Is it safe to continue driving with OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short) present?

- It is not recommended to continue driving with this issue unresolved, as it can affect the visibility of your vehicle to other drivers, especially at night or in low visibility conditions.

5. How can I repair OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- Repair methods may include repairing or replacing damaged wiring, replacing the left corner lamp assembly if faulty, repairing or replacing connectors, or addressing any issues with the lighting control module.

6. Can I reset the OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short) with a simple reset tool?

- Resetting the code may temporarily clear the warning light, but unless the underlying issue is addressed and repaired, the code is likely to reappear after a short period of time.

7. Are there any DIY tips for troubleshooting OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- DIY tips may include checking for loose connections, inspecting the lamp assembly for any visible damage, and carefully examining the wiring for signs of wear or exposed wires.

8. How much does it typically cost to repair OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve a few hundred dollars for parts and labor if professional assistance is required.

9. Can extreme weather conditions affect the occurrence of OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short)?

- Yes, extreme weather conditions such as heavy rain or snow can increase the likelihood of electrical issues like short circuits, which could trigger this OBDII code.

10. Is OBDII code B1C98 Ford (Left Corner Lamp Circuit Circuit Short) a common issue in Ford vehicles?

- While not extremely common, this code can occur in Ford vehicles due to various factors such as age, wear and tear, or electrical faults.

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