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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (3.0L Diesel - DTCS P0403-00 To P061C-00) >> DTC Troubleshooting >> P05EC-00-Cold Start Injection Timing Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, record all Freeze frame data.
    2. With the scan tool, erase DTCs.
    3. Turn the ignition off for 75 seconds.
    4. Turn the ignition on.
    5. With the scan tool, read DTCs.

      Did DTC P05EC reset?

      Yes 

      • Go To  2

      No 

      • Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
  2. CHECK FOR OTHER DTCS 
    1. Refer to the recorded DTCs.

      Are there any other Fuel Pressure DTCs active or pending?

      Yes 

      No