C1A96 Code - Brake Light Signal Stuck High
Quick Answer
The Body Control Module (BCM) monitors the Brake Light. Common causes include Faulty Brake Light, Brake Light harness is open or shorted, Brake Light 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
- C1A96 indicates Brake Light Signal Stuck High.
- Common causes
- Common causes include Faulty Brake Light, Brake Light harness is open or shorted, Brake Light 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.
Code C1A96 Description
What are the Possible Causes of the DTC C1A96?
- Faulty Brake Light
- Brake Light harness is open or shorted
- Brake Light circuit poor electrical connection
- Faulty Stop Lamp Switch
- Faulty Body Control Module (BCM)
How to Fix the DTC C1A96?
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 C1A96 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
- C1A96 Ford — Brake Light Signal Stuck High
- C1A96 Lincoln — Brake Light Signal Stuck High
- C1A96 Mercury — Brake Light Signal Stuck High
Frequently Asked Questions about C1A96 Code
1. What does OBDII code C1A96 mean?
C1A96 indicates that the brake light signal is stuck in the "high" (on) position, which may be due to a fault in the brake light switch, wiring, or related components.
2. What are the common symptoms of code C1A96?
Common symptoms include brake lights staying on even when the pedal isn’t pressed, inconsistent cruise control function, or a warning light on the dashboard.
3. What causes the C1A96 code to appear?
The code can be triggered by a faulty brake light switch, damaged or shorted wiring, a stuck brake pedal, or issues with the vehicle's BCM (Body Control Module).
4. Can I drive with the C1A96 code active?
While you can drive, it is not recommended as the brake lights staying on can confuse other drivers, and features like cruise control may not function properly.
5. How is the C1A96 code diagnosed?
A mechanic will inspect the brake light switch, check for wiring issues, and use a scan tool to verify the signal from the brake pedal sensor.
6. How do you fix the C1A96 code?
Repairs may include replacing the brake light switch, repairing or replacing damaged wiring, or recalibrating the brake pedal position sensor.
7. Can a faulty brake light switch cause other problems besides C1A96?
Yes, a faulty brake light switch can affect cruise control, ABS, or traction control systems, as they rely on accurate brake pedal input.
8. How much does it cost to fix code C1A96?
The repair cost depends on the issue; replacing a brake light switch typically costs $50-$150, while wiring repairs may vary based on labor.
9. Can I reset the C1A96 code without fixing the issue?
You can clear the code with a scan tool, but it will likely return unless the underlying issue is resolved.
10. Is it possible for the C1A96 code to be caused by a bad BCM?
Yes, although less common, a malfunctioning Body Control Module (BCM) can misinterpret or fail to process the brake light signal properly.
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