B1248 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 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 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?
- 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?
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 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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Information for Specific Makes
- B1248 Acura — Problem In The Rear Mode Control Motor Circuit, Linkage, Door, Or Motor
- B1248 Ford — Right Rear Turn Indicator Circuit Short To Ground
- B1248 Honda — Problem In The Rear Mode Control Motor Circuit, Linkage, Door, Or Motor
- B1248 Lexus — AVC–LAN Communication Impossible
- B1248 Lincoln — Right Rear Turn Indicator Circuit Short To Ground
- B1248 Mercury — Right Rear Turn Indicator Circuit Short To Ground
- B1248 Scion — AVC–LAN Communication Impossible
- B1248 Toyota — AVC–LAN Communication Impossible
Frequently Asked Questions about B1248 Code
1. What are common symptoms of OBDII code B1248?
- Common symptoms include the right rear turn signal not functioning properly, fast blinking of the turn signal, or a warning light on the dashboard.
2. What causes the OBDII code B1248 to trigger?
- The B1248 code is triggered when the right rear turn indicator circuit is detected to have a short to ground, meaning there is an electrical issue causing the circuit to lose proper functionality.
3. How can I diagnose the cause of the right rear turn indicator circuit short to ground?
- Diagnose by visually inspecting the wiring, connectors, and bulbs for any visible damage, and using a multimeter to check for continuity and shorts in the circuit.
4. What are some possible repair tips for resolving OBDII code B1248?
- Repair tips may include repairing or replacing damaged wiring, connectors, or bulbs in the right rear turn signal circuit to eliminate the short to ground issue.
5. Can a DIY enthusiast fix the OBDII code B1248 issue?
- Depending on their skill level, a DIY enthusiast may be able to diagnose and repair the B1248 code by following a repair manual or utilizing online resources for guidance.
6. Is it safe to continue driving with OBDII code B1248 active?
- It is not recommended to continue driving with the B1248 code active, as it can lead to safety hazards by causing confusion for other drivers on the road due to malfunctioning turn signals.
7. How important is it to address OBDII code B1248 promptly?
- It is important to address the B1248 code promptly to ensure the proper functioning of the right rear turn signal, which is crucial for signaling intentions and maintaining road safety.
8. Can extreme weather conditions cause the right rear turn indicator circuit to short to ground?
- Extreme weather conditions such as heavy rain or snow could potentially cause electrical issues leading to a short to ground in the right rear turn indicator circuit.
9. Will resetting the OBDII system make the B1248 code disappear?
- Resetting the OBDII system may temporarily clear the B1248 code, but it will likely reappear if the underlying issue causing the right rear turn indicator circuit short to ground is not resolved.
10. How much does it typically cost to repair OBDII code B1248 at a mechanic or dealership?
- The cost of repairing OBDII code B1248 can vary depending on the extent of the damage and labor rates, but it may range from $100 to $300 for parts and labor at a mechanic or dealership.
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