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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Body Control Module (BCM) - DTCS B101E-15 To B1041-12) >> DTC Troubleshooting >> B1040-14 Front Wiper 1ST Speed - Circuit Short To Ground Or Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
WIPER LOW SPEED CONTROL OUTPUT CIRCUIT SHORTED TO GROUND
WIPER LOW SPEED CONTROL OUTPUT CIRCUIT OPEN
FRONT WIPER MOTOR
BODY CONTROL MODULE (BCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .