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B1601 Code - PATS Received Incorrect Key-Code From Ignition Key Transponder

- Code Popularity: 31,961 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1601?

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 Passive Anti-Theft System (PATS) key
  • Faulty Powertrain Control Module (PCM)
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How to Fix the DTC B1601?

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 B1601 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)
  • Engine no start situation

Code B1601 Description

During each vehicle start sequence, the transceiver reads the Passive Anti-Theft System (PATS) key identification code and circuit send the data to the Powertrain Control Module (PCM).

OBDII Code B1601 - PATS Received Incorrect Key-Code From Ignition Key Transponder - AutoCodes.com
B1601 Code - PATS Received Incorrect Key-Code From Ignition Key Transponder

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Code B1601 comments

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