DTC P161B Immobilizer Wrong Response (4JJ3 with DPD)

1. DTC P161B description

The ECM communicates with the wireless access module and performs the immobilizer function. The ECM sends a request signal to the wireless access module. The ECM receives a response signal from the wireless access module. Both communication signals are sent and received via the CAN communication circuit. If the ECM receives an incorrect response signal from the wireless access module, the DTC is set.

2. Condition for setting DTC P161B

Condition for running the DTC

  • The ignition switch is ON.

Condition for setting the DTC

  • The ECM detects that an incorrect immobilizer response signal from the wireless access module is received.

3. Action taken when DTC P161B sets

  • The ECM does not illuminate the MIL or SVS indicator light. Refer to Action taken when DTC sets - Type D.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC type definitions".

  • The ECM inhibits engine startup.

4. Condition for clearing DTC P161B

  • Refer to Condition for clearing the DTC - Type D.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC type definitions".

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