DTC Troubleshooting: P2454 (187)

  1. Measure voltage between DPF differential pressure sensor 3P connector terminals No. 1 and No. 3.
Is there about 5 V?
YES -
Go to Step 15 .
NO -
Go to Step 11 .
  1. Turn the ignition switch OFF, and wait 30 seconds.
  1. Disconnect ECM connector No. 1 (96P).