Engine-Codes
 
OBDII Code List
 
B1601 MERCURY

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B1601 MERCURY Possible Causes

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

First diagnose B1601 MERCURY 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 MERCURY code

    Labor: 1.0

    The cost of diagnosing the B1601 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1601 MERCURY Possible Symptoms

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

B1601 MERCURY Meaning

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 MERCURY - PATS Received Incorrect Key-Code From Ignition Key Transponder - Engine-Codes.com

B1601 MERCURY More Information

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