B1571 Toyota Code - Manual Switch Green Indicator Malfunction
Quick Answer
This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects an open or short in the manual (SOS) switch green indicator circuit of the manual (SOS) switch. Common causes include Faulty Map Light Assembly, Map Light Assembly harness is open or shorted, Map Light Assembly 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
- B1571 Toyota indicates Manual Switch Green Indicator Malfunction.
- Common causes
- Common causes include Faulty Map Light Assembly, Map Light Assembly harness is open or shorted, Map Light Assembly 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 B1571 Toyota Description
What are the Possible Causes of the DTC B1571 Toyota?
- Faulty Map Light Assembly
- Map Light Assembly harness is open or shorted
- Map Light Assembly circuit poor electrical connection
- Faulty Data Communication Module (DCM) (Telematics Transceiver)
How to Fix the DTC B1571 Toyota?
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 B1571 Toyota 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 B1571 Toyota Code
1. What are the common symptoms of OBDII code B1571 in a Toyota related to the Manual Switch Green Indicator Malfunction?
- The common symptoms include the green indicator light not functioning correctly or not illuminating at all when the manual switch is activated.
2. What are the possible causes of the Manual Switch Green Indicator Malfunction (OBDII code B1571) in a Toyota?
- The malfunction can be caused by a faulty manual switch, a wiring issue, a blown fuse, or a problem with the indicator light itself.
3. How can I diagnose the Manual Switch Green Indicator Malfunction in my Toyota when OBDII code B1571 is triggered?
- Start by checking the manual switch for proper operation, inspecting the wiring for any damage, examining the fuse related to the indicator light, and testing the indicator light itself.
4. Can I continue driving my Toyota with OBDII code B1571 related to the Manual Switch Green Indicator Malfunction?
- While the vehicle may still be drivable, it is recommended to address the issue promptly to ensure the manual switch and indicator light are functioning correctly for safety and usability.
5. Is it possible to reset OBDII code B1571 in a Toyota after repairing the Manual Switch Green Indicator Malfunction?
- Once the underlying issue causing the malfunction is fixed, the code can be cleared using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to reset the system.
6. Are there any DIY repair tips for resolving the Manual Switch Green Indicator Malfunction in a Toyota triggering code B1571?
- DIY repair tips may include checking and replacing a faulty manual switch, repairing damaged wiring, replacing a blown fuse, or swapping out a malfunctioning indicator light.
7. How much does it typically cost to repair the Manual Switch Green Indicator Malfunction in a Toyota with OBDII code B1571?
- The cost of repair can vary depending on the specific cause of the malfunction, but it may involve the price of replacement parts (such as a new manual switch or indicator light) and labor if done by a professional.
8. Can a Manual Switch Green Indicator Malfunction in a Toyota causing OBDII code B1571 be a safety concern?
- While the malfunction itself may not directly affect the vehicle's performance, having non-functional indicator lights can potentially lead to confusion or unsafe driving conditions, especially in certain situations.
9. Are there any recalls or technical service bulletins related to OBDII code B1571 and the Manual Switch Green Indicator Malfunction in Toyota vehicles?
- It's advisable to check with Toyota dealerships or online databases for any relevant recalls or technical service bulletins addressing this specific OBDII code and related issues in Toyota vehicles.
10. How long does it typically take to repair the Manual Switch Green Indicator Malfunction in a Toyota when OBDII code B1571 is present?
- The repair time can vary based on the cause of the malfunction and the complexity of the fix, but it may range from a quick replacement of a fuse or indicator light to a more involved wiring repair or switch replacement that could take longer.
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