DTC B1E1D[62] ACC Relay Response Signal Mismatch (Wireless Access Module (Hi-version [Passive Entry and Start System]))

1. DTC B1E1D[62] description

The wireless access module switches the power mode to OFF, ACC, ON, or START according to the conditions when operating the engine start/stop button. The wireless access module controls the accessory voltage, ignition voltage 1, ignition voltage 2, and starter drive voltage by controlling the relay according to each power mode. The wireless access module monitors the ACC power supply circuit status via the feedback circuit. If the wireless access module detects a malfunction in the ACC feedback signal circuit, the DTC is set.

2. Condition for setting DTC B1E1D[62]

Any of the following are met:

  • The wireless access module detects a low voltage condition in the ACC feedback signal circuit when the ACC relay is commanded ON.
  • The wireless access module detects a high voltage condition in the ACC feedback signal circuit when the ACC relay is commanded OFF.

3. Action taken when DTC B1E1D[62] sets

When the engine start/stop button is pressed:

  • The key monitor warning light illuminates for 10 seconds.
  • POWER MANAGEMENT SYSTEM ERROR will be displayed on the multi-information display for 10 seconds.
  • The buzzer built into the instrument panel cluster will sound 3 times.

When the power mode is ON:

  • The key monitor warning light illuminates.