P1737 Shift Motor Short to Ground

OBD2 Code: P1737

Description: Shift motor short to ground.

Definition: This code indicates that there is a short circuit in the shift motor circuit, causing it to be grounded. This can lead to issues with the transmission’s ability to shift gears properly.

p1737 shift motor short to ground

Typical severity: Severe

Common Causes

p1737 shift motor short to ground

Common causes:

• Faulty shift motor
• Short circuit in the wiring harness
• Corroded or loose electrical connections
• Defective transmission control module (TCM)

 

Common Misdiagnosis

OBD2 Code: P1737

Description: Shift Motor Short to Ground

Common Misdiagnosis: Replacing the shift motor without checking for wiring issues or a faulty transmission control module (TCM).

 

Common Diagnostic Steps

OBD2 Code: P1737

Description: Shift Motor Short to Ground

• Check for any blown fuses related to the transmission system.
• Inspect the wiring harness and connectors for signs of damage, corrosion, or disconnection.
• Test the shift motor circuit for continuity and check for a short to ground using a multimeter.
• Examine the shift motor itself for internal faults or mechanical binding.
• Verify that all electrical connections are secure and free from debris or moisture.
• If necessary, replace any damaged components such as wires, connectors, or the shift motor itself.
• Clear the code and perform a test drive to ensure proper operation of the transmission system.