B2071 Scion Code - Stop Light Control Relay Malfunction
Quick Answer
The B2071 diagnostic trouble code for Scion vehicles indicates a malfunction in the stop light control relay. Common causes include Faulty stop light control relay, Corroded or loose electrical connections, Wiring issues in the brake light circuit. 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
- B2071 Scion indicates Stop Light Control Relay Malfunction.
- Common causes
- Common causes include Faulty stop light control relay, Corroded or loose electrical connections, Wiring issues in the brake light circuit.
- 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 B2071 Scion Description
The B2071 diagnostic trouble code for Scion vehicles indicates a malfunction in the stop light control relay. The stop light control relay is an essential component of the vehicle's brake light system, responsible for controlling the activation of the brake lights when the brake pedal is pressed. When this relay malfunctions, it can lead to various issues with the brake lights, affecting the safety of the vehicle and its occupants.
Common Causes of B2071 Scion
- Faulty stop light control relay.
- Corroded or loose electrical connections.
- Wiring issues in the brake light circuit.
- Blown fuse related to the brake lights.
- Malfunctioning brake light switch.
Symptoms of B2071 Scion
- Brake lights not turning on when the brake pedal is pressed.
- Brake warning light illuminated on the dashboard.
- Inconsistent operation of the brake lights.
- Other drivers signaling that the brake lights are not working.
How to Fix B2071 Scion
- Begin by locating the stop light control relay, typically found in the vehicle's fuse box or relay panel.
- Inspect the relay for any signs of damage, corrosion, or loose connections. Replace the relay if necessary.
- Check the wiring in the brake light circuit for any visible damage or loose connections. Repair or replace any damaged wiring.
- Test the brake light switch for proper operation. Replace the switch if it is found to be faulty.
- Once the repairs are completed, test the brake lights to ensure they are functioning correctly.
Cost to Fix B2071 Scion
The typical repair costs for addressing a stop light control relay malfunction can range from $100 to $300, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about B2071 Scion Code
1. What are the common symptoms of OBDII code B2071 in a Scion related to Stop Light Control Relay Malfunction?
- Common symptoms include non-functioning brake lights, cruise control not engaging, and potential issues with the vehicle's transmission shifting.
2. What could be causing the Stop Light Control Relay Malfunction in a Scion triggering code B2071?
- Possible causes include a faulty stop light control relay, wiring issues, a malfunctioning brake light switch, or a problem with the vehicle's ECM.
3. How can I diagnose the Stop Light Control Relay Malfunction causing OBDII code B2071 in my Scion?
- You can start by checking the stop light control relay for proper functioning, inspecting the wiring for any damage, testing the brake light switch, and scanning the vehicle's ECM for related fault codes.
4. Can I continue driving my Scion with the OBDII code B2071 related to a Stop Light Control Relay Malfunction?
- It is not recommended to drive your Scion with this issue as non-functioning brake lights can pose a safety hazard on the road.
5. Will resetting the OBDII code B2071 resolve the Stop Light Control Relay Malfunction in my Scion?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the Stop Light Control Relay Malfunction.
6. How much does it cost to repair the Stop Light Control Relay Malfunction triggering OBDII code B2071 in a Scion?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
7. Can I replace the stop light control relay in my Scion myself to fix the OBDII code B2071?
- If you have experience working on automotive electrical systems, you may be able to replace the relay yourself. Otherwise, it's best to consult a professional mechanic.
8. Are there any preventive measures to avoid encountering OBDII code B2071 related to Stop Light Control Relay Malfunction in my Scion?
- Regularly checking and maintaining your vehicle's brake lights, wiring, and stop light control relay can help prevent issues that may trigger this code.
9. Will OBDII code B2071 affecting the Stop Light Control Relay Malfunction cause any damage to other vehicle components?
- While the code itself may not directly damage other components, it's essential to address the underlying issue promptly to prevent any potential safety hazards or further malfunctions.
10. How long does it typically take to repair the Stop Light Control Relay Malfunction causing OBDII code B2071 in a Scion?
- The repair time can vary based on the specific cause of the issue and the availability of parts, but it usually takes around 1-2 hours for a professional mechanic to diagnose and fix the problem.
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