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Discussion Starter · #1 ·
The EGR monitor on my 2020 EX-L AWD won’t reset. Everyone of the eight monitors are set except the EGR. I have tried the drive cycle four time but I live in an area that it is vertical impossible to drive 50 to 60 mph for 5 min and then slow without using the breaks. My question is will it reset by itself after so many mile of driving? The Pilot is under warranty but Honda told me to "just keep driving it and come back in a month".

Jack
 

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This is what it take to clear it on older Hondas. I am not sure if it is the same on newer models or not. It would be worth a shot.

EGR Monitor and Readiness Code
NOTE: Do not turn the ignition switch off during the procedure.

Enable Criteria
  • ECT at 176 ºF (80 ºC) or more.
Procedure
  • Start the engine.
  • Drive at a steady speed with the A/T in D position or M/T in 4th gear, 50-62 mph (80-100 km/h) or above for more than 10 seconds.
  • With the A/T in D position or M/T in 4th gear, decelerate from 62 mph (100 km/h) or above by completely releasing the throttle for at least 5 seconds. If the engine is stopped during this procedure, go to step 2 and do the procedure again.
  • Check the OBD status screen for DTC P0401 in the DTC's MENU with the HDS.
  • If it is passed, readiness is complete.
  • If it is not passed, go to step 3 and retest.
 
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