B1248 Mercury Code - Right Rear Turn Indicator Circuit Short To Ground
Quick Answer
The Steering Column Control Module (SCCM) monitors the multifunction switch position. Common causes include Faulty Right Rear Turn Indicator, Right Rear Turn Indicator harness is open or shorted, Right Rear Turn Indicator 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
- B1248 Mercury indicates Right Rear Turn Indicator Circuit Short To Ground.
- Common causes
- Common causes include Faulty Right Rear Turn Indicator, Right Rear Turn Indicator harness is open or shorted, Right Rear Turn Indicator 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.
Code B1248 Mercury Description
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.
What are the Possible Causes of the DTC B1248 Mercury?
- Faulty Right Rear Turn Indicator
- Right Rear Turn Indicator harness is open or shorted
- Right Rear Turn Indicator circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1248 Mercury?
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 B1248 Mercury 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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Frequently Asked Questions about B1248 Mercury Code
1. What are common symptoms of OBDII code B1248 in a Mercury related to the right rear turn indicator circuit?
- Common symptoms include the right rear turn signal not working, fast blinking of the turn signals, or a warning light on the dashboard indicating a turn signal issue.
2. What does it mean if the OBDII code B1248 in a Mercury indicates a right rear turn indicator circuit short to ground?
- This code indicates that there is a short circuit between the right rear turn indicator wiring and the vehicle's ground, causing electrical issues with the turn signal system.
3. What are possible causes of a right rear turn indicator circuit short to ground in a Mercury triggering OBDII code B1248?
- Potential causes include damaged or frayed wiring, a faulty turn signal bulb socket, a malfunctioning turn signal switch, or a problem with the vehicle's body control module.
4. How can I diagnose the issue causing OBDII code B1248 in a Mercury related to the right rear turn indicator circuit?
- You can start by visually inspecting the right rear turn signal wiring and connections for any visible damage. Using a multimeter to test for continuity and shorts can help pinpoint the exact location of the issue.
5. What are some repair tips for addressing OBDII code B1248 in a Mercury due to a right rear turn indicator circuit short to ground?
- Repair options may include repairing or replacing damaged wiring, replacing a faulty turn signal bulb socket, or addressing any issues with the turn signal switch or body control module as needed.
6. Can driving with OBDII code B1248 in a Mercury indicating a right rear turn indicator circuit short to ground cause any safety concerns?
- Driving with this issue can be hazardous as it affects the functionality of the right rear turn signal, potentially leading to confusion for other drivers and increasing the risk of accidents.
7. Is it possible to reset OBDII code B1248 in a Mercury related to the right rear turn indicator circuit without fixing the underlying issue?
- While clearing the code temporarily may turn off the warning light, the issue causing the code will persist, and the code is likely to reappear once the problem is detected again by the vehicle's system.
8. How important is it to address OBDII code B1248 in a Mercury linked to the right rear turn indicator circuit promptly?
- It is crucial to address this code promptly to ensure the proper functioning of the vehicle's turn signal system, maintain road safety, and prevent potential electrical damage or failures.
9. Are there any common DIY fixes for OBDII code B1248 in a Mercury due to a right rear turn indicator circuit short to ground?
- DIY fixes may include checking and repairing damaged wiring, replacing a faulty turn signal bulb socket, or cleaning and inspecting the turn signal switch for any visible issues.
10. Will fixing OBDII code B1248 in a Mercury related to the right rear turn indicator circuit require professional assistance?
- Depending on the complexity of the issue and your automotive repair skills, you may need professional assistance to accurately diagnose and repair the underlying cause of the code.
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