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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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B1601 Possible Causes

  • Faulty Passive Anti-Theft System (PATS) key
  • Faulty Powertrain Control Module (PCM)

First diagnose B1601 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the B1601 code

    Labor: 1.0

    The cost of diagnosing the B1601 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

B1601 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine no start situation

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 More Information

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