B1572 Lexus Code - Telephone Microphone Error
Quick Answer
This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit. Common causes include Faulty Telephone Microphone Assembly, Telephone Microphone Assembly harness is open or shorted, Telephone Microphone 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
- B1572 Lexus indicates Telephone Microphone Error.
- Common causes
- Common causes include Faulty Telephone Microphone Assembly, Telephone Microphone Assembly harness is open or shorted, Telephone Microphone 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 B1572 Lexus Description
What are the Possible Causes of the DTC B1572 Lexus?
- Faulty Telephone Microphone Assembly
- Telephone Microphone Assembly harness is open or shorted
- Telephone Microphone Assembly circuit poor electrical connection
- Faulty Map Light Assembly
- Faulty Data Communication Module (DCM) (Telematics Transceiver)
How to Fix the DTC B1572 Lexus?
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 B1572 Lexus 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 B1572 Lexus Code
1. What are the common symptoms of OBDII code B1572 in a Lexus related to a telephone microphone error?
- The common symptoms include issues with hands-free calling, poor sound quality during phone calls, or complete failure of the telephone microphone function.
2. What are the possible causes of OBDII code B1572 in a Lexus indicating a telephone microphone error?
- The code B1572 in a Lexus can be triggered by a faulty telephone microphone, wiring issues, a damaged microphone connection, or a malfunctioning audio unit.
3. How can I diagnose the cause of OBDII code B1572 in a Lexus for a telephone microphone error?
- To diagnose the issue, you can start by checking the telephone microphone connection, testing the microphone for functionality, inspecting the wiring for damages, and scanning for any other related error codes.
4. Are there any DIY repair tips for fixing OBDII code B1572 related to a telephone microphone error in a Lexus?
- DIY repair tips include checking and reconnecting any loose connections, cleaning the microphone contacts, replacing the microphone if it's faulty, and ensuring proper routing of the microphone wiring.
5. Can a Lexus dealership or professional mechanic help with resolving OBDII code B1572 indicating a telephone microphone error?
- Yes, a Lexus dealership or a qualified mechanic can assist in diagnosing and repairing the issue related to OBDII code B1572, especially if the problem requires advanced diagnostics or component replacement.
6. Is it safe to continue driving a Lexus with OBDII code B1572 triggered by a telephone microphone error?
- While the vehicle may still be safe to drive with this code, it is recommended to address the issue promptly to ensure proper functioning of the telephone microphone system for safety and convenience.
7. How much can I expect to spend on repairing OBDII code B1572 for a telephone microphone error in a Lexus?
- The cost of repairing OBDII code B1572 can vary depending on the underlying cause. It may range from a simple fix like reconnecting wires to replacing the telephone microphone or audio unit, which could be more expensive.
8. Can OBDII code B1572 related to a telephone microphone error be intermittent in a Lexus?
- Yes, the issue causing OBDII code B1572 in a Lexus can sometimes be intermittent, leading to sporadic problems with the telephone microphone function rather than a constant failure.
9. Will resetting the OBDII system clear the B1572 code for a telephone microphone error in a Lexus?
- Resetting the OBDII system may temporarily clear the B1572 code, but if the underlying issue causing the telephone microphone error is not addressed, the code is likely to reappear.
10. Are there any recalls or service bulletins related to OBDII code B1572 and telephone microphone errors in Lexus vehicles?
- It's recommended to check with Lexus dealerships or online resources for any recalls or service bulletins specifically addressing OBDII code B1572 and telephone microphone issues in Lexus vehicles.
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