AutoCodes – Toyota – B1573 Toyota

B1573 Toyota Code - Short In Telephone Antenna Circuit

Quick Answer

This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects an open or a short in the Telephone and GPS Antenna circuit. Common causes include Faulty Telephone and GPS Antenna Assembly, Telephone and GPS Antenna Assembly harness is open or shorted, Telephone and GPS Antenna 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: B1573 Toyota indicates Short In Telephone Antenna Circuit.
Common causes: Common causes include Faulty Telephone and GPS Antenna Assembly, Telephone and GPS Antenna Assembly harness is open or shorted, Telephone and GPS Antenna 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 2,046

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 B1573 Toyota Description

This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects an open or a short in the Telephone and GPS Antenna circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the Telephone and GPS Antenna Assembly.

OBDII Code B1573 Toyota - Short In Telephone Antenna Circuit - AutoCodes.com — B1573 Toyota Code - Short In Telephone Antenna Circuit

What does this mean?

What are the Possible Causes of the DTC B1573 Toyota?

Faulty Telephone and GPS Antenna Assembly
Telephone and GPS Antenna Assembly harness is open or shorted
Telephone and GPS Antenna Assembly circuit poor electrical connection

How to Fix the DTC B1573 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 B1573 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 B1573 Toyota Code

1. What are the common symptoms of OBDII code B1573 Toyota (Short In Telephone Antenna Circuit)?

The common symptoms include issues with the vehicle's radio or navigation system, poor reception, or complete loss of signal.

2. What are the possible causes of OBDII code B1573 Toyota?

Possible causes include a short circuit in the telephone antenna circuit, damaged wiring, faulty antenna module, or a malfunctioning control unit.

3. How can I diagnose the short in the telephone antenna circuit for OBDII code B1573 Toyota?

You can use a multimeter to test the continuity of the wiring and components in the telephone antenna circuit to identify the location of the short.

4. Can I repair the short in the telephone antenna circuit myself?

If you have experience with automotive electrical systems, you may be able to repair the short yourself by locating and repairing the damaged wiring or components.

5. Is it safe to continue driving with OBDII code B1573 Toyota active?

While driving with this code active may not affect the vehicle's performance, it is recommended to address the issue promptly to prevent further electrical problems.

6. How much does it typically cost to repair OBDII code B1573 Toyota at a mechanic or dealership?

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 OBDII code B1573 Toyota be triggered by environmental factors?

Yes, environmental factors such as water damage or corrosion can lead to a short in the telephone antenna circuit and trigger this code.

8. Will resetting the OBDII code B1573 Toyota make the issue go away?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to return.

9. How can I prevent OBDII code B1573 Toyota from recurring?

Regularly inspecting the wiring and components in the telephone antenna circuit, keeping the system clean and dry, and addressing any damage promptly can help prevent this code from recurring.

10. Is OBDII code B1573 Toyota specific to certain Toyota models?

Yes, this code is specific to Toyota vehicles and relates to a short in the telephone antenna circuit.