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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (3.0L Diesel - DTCS P24F3-00 To U3017-00) >> DTC Troubleshooting >> P258D-00-Vacuum Pump Control Circuit High >> P258C-00-Vacuum Pump Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
EVP RELAY CONTROL CIRCUIT OPEN
EVP RELAY CONTROL CIRCUIT SHORTED TO GROUND
ELECTRIC VACUUM PUMP RELAY
POWER DISTRIBUTION CENTER
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .