Engine-Codes - Generic - B1602

B1602 Code - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder

- Code Popularity: 36,196 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1602?

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 B1602?

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 connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1602 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B1602 Code Mean?

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).

B1602 Code - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder

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Code B1602 Information for Specific Makes

  • B1602 Acura Keyless Access ECU EEPROM Error
  • B1602 Chrysler Left Solar Sensor Circuit High
  • B1602 Dodge Left Solar Sensor Circuit High
  • B1602 Ford PATS Received Invalid Format Of Key-Code From Ignition Key Transponder
  • B1602 Honda Keyless Access ECU EEPROM Error
  • B1602 Jeep Left Solar Sensor Circuit High
  • B1602 Lincoln PATS Received Invalid Format Of Key-Code From Ignition Key Transponder
  • B1602 Mercury PATS Received Invalid Format Of Key-Code From Ignition Key Transponder
  • B1602 RAM Left Solar Sensor Circuit High

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