AutoCodes – Toyota – B1570 Toyota

B1570 Toyota Code - Manual Switch Red 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 red 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: B1570 Toyota indicates Manual Switch Red 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.

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Code Popularity 3,412

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 21, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1570 Toyota Description

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 red indicator circuit of the manual (SOS) switch. The manual (SOS) switch red indicator illuminates for 2 seconds and goes off when the power switch is turned on (IG). If a malfunction in the Safety Connect system is detected, the manual (SOS) switch red indicator will illuminate. However, the manual (SOS) switch red indicator may not illuminate when this DTC is set.

OBDII Code B1570 Toyota - Manual Switch Red Indicator Malfunction - AutoCodes.com — B1570 Toyota Code - Manual Switch Red Indicator Malfunction

What does this mean?

What are the Possible Causes of the DTC B1570 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 B1570 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 B1570 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1570 Toyota Code

1. What are the common symptoms of OBDII code B1570 Toyota - Manual Switch Red Indicator Malfunction?

- The common symptoms include the red indicator light not functioning properly or staying illuminated when it shouldn't.

2. What are the possible causes of OBDII code B1570 Toyota?

- The code B1570 can be caused by a faulty manual switch, wiring issues, or a malfunction in the indicator circuit.

3. How can I diagnose the Manual Switch Red Indicator Malfunction in a Toyota?

- To diagnose B1570, start by checking the manual switch for proper functionality, inspecting the wiring harness for any damage, and testing the indicator circuit.

4. Can a DIY enthusiast repair OBDII code B1570 Toyota at home?

- Depending on your skill level, repairing the Manual Switch Red Indicator Malfunction may be possible at home by replacing the faulty manual switch, repairing wiring issues, or fixing the indicator circuit.

5. Is it safe to continue driving my Toyota with OBDII code B1570 present?

- It is generally safe to drive your vehicle with this code, but it's recommended to address the issue promptly to ensure proper functionality of the manual switch indicator.

6. How much does it cost to repair OBDII code B1570 Toyota at a mechanic or dealership?

- The cost of repairing the Manual Switch Red Indicator Malfunction can vary depending on the labor rates and parts needed, but it is typically a moderate repair.

7. Can resetting the OBDII code B1570 Toyota clear the issue temporarily?

- Resetting the code may temporarily clear the indicator light, but if the underlying issue is not fixed, the code is likely to return.

8. Are there any recalls or technical service bulletins related to OBDII code B1570 Toyota?

- It's recommended to check with Toyota dealerships or online resources for any recalls or technical service bulletins related to B1570 to see if there are known issues or fixes available.

9. Will OBDII code B1570 Toyota cause any performance issues with the vehicle?

- Generally, the Manual Switch Red Indicator Malfunction is unlikely to cause performance issues, but it can affect the visibility of important indicators on the dashboard.

10. How long does it typically take to repair OBDII code B1570 Toyota?

- The repair time for B1570 can vary based on the specific issue, but it usually takes a few hours to diagnose and fix the Manual Switch Red Indicator Malfunction.