DTC Troubleshooting: P24B9
DTC P24B9: EVAP Leak Check Module Absolute Pressure Sensor Range/Performance Problem
NOTE:
Before you troubleshoot, review the general troubleshooting information.
If DTC P24BA and/or P24BB is stored at the same time as DTC P24B9, troubleshoot those DTCs first, then recheck for DTC P24B9.

DTC Description
Confirmed DTC
Pending DTC
P24B9 EVAP Leak Check Module Absolute Pressure Sensor Range/Performance Problem
    

1.
EVAP leak check module drain hose check:

EVAP leak check module drain hose check
?1.
Remove the EVAP leak check module and the EVAP canister filter, then check the blockage in the hoses and the EVAP canister filter.

Are the parts OK?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Remove the blockage from them, or replace the part(s) if needed.?
2.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode.

?4.
Turn the vehicle to the ON mode.

?5.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
P24B9 EVAP Leak Check Module Absolute Pressure Sensor Range/Performance Problem
    

Is DTC P24B9 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals at the EVAP leak check module and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot.?