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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 835 (3.0L Diesel - DTCS P24B1-00 To U1489-00 - 1500) >> Diagnosis And Testing >> P258C-00-Vacuum Pump Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
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 .