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B1247 Lexus Code - Tire Pressure Monitor Receiver Communication Stop

- Code Popularity: 592 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1247 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Tire Pressure Warning ECU
  • Tire Pressure Warning ECU harness is open or shorted
  • Tire Pressure Warning ECU circuit poor electrical connection
  • Faulty Main Body ECU (Multiplex Network Body ECU)
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How to Fix the DTC B1247 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1247 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B1247 Lexus Description

The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver are connected using 2 direct lines that they use to communicate with each other. The Diagnostic Trouble Code (DTC) will be set if in diagnostic mode, an applicable RDA signal cannot be received within 10 seconds after a PRG signal is sent from the main body ECU (multiplex network body ECU).

OBDII Code B1247 Lexus - Tire Pressure Monitor Receiver Communication Stop - AutoCodes.com
B1247 Lexus Code - Tire Pressure Monitor Receiver Communication Stop

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Code B1247 Lexus comments

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