Component Location Index
EXHAUST GAS RECIRCULATION (EGR) VALVE
POWERTRAIN CONTROL MODULE (PCM)
EXHAUST GAS RECIRCULATION (EGR) PLATE
DTC Troubleshooting
DTC P0401: EGR Insufficient Flow
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the genera
1. With the ignition switch ON (II), push the power
switch ON to see if navigation unit turns ON.
Does the navigation unit display operate properly, and does the audio sound
normal? YES-Intermittent failure, the system is OK at this time.
NO-Go to step 2.
2. Turn the ignition switch OFF.
3. Che