B1417 – Power Window LR Motor Circuit Short To Ground

The ODBII code B1417 indicates a short circuit to ground in the left rear power window motor circuit, suggesting a potential electrical issue affecting the operation of the left rear power window.

The severity of ODBII code B1417 is moderate.

Common Causes For: B1416 Power Window LR Motor Circuit Short To Battery

• Damaged wiring or harness
• Faulty power window motor
• Shorted power window switch
• Corroded connectors
• Grounding issues
• Water intrusion in the door panel
• Faulty body control module (BCM)

Common misdiagnosis for B1417 Power Window LR Motor Circuit Short To Ground

• Faulty window switch
• Bad wiring or connectors
• Defective power window motor
• Malfunctioning body control module (BCM)
• Issues with the fuse or relay
• Short circuit in the door harness
• Incorrectly installed aftermarket accessories

Common Troubleshooting Steps

When dealing with an OBD-II code B1417, which indicates a “Power Window Left Rear Motor Circuit Short to Ground,” there are several common troubleshooting steps you can follow to diagnose and potentially resolve the issue. Here’s a structured approach:

• Visual Inspection: **Wiring and Connectors: Check the wiring harness and connectors leading to the left rear power window motor for any signs of damage, fraying, or corrosion. Look for any exposed wires that may be shorting to ground.
• **Motor Condition: Inspect the power window motor itself for any physical damage or signs of wear.
• Check Fuses: Locate the fuse box and check the fuse associated with the power window circuit. If the fuse is blown, replace it and see if the issue persists. A blown fuse may indicate a short circuit.
• Test the Power Window Switch: Use a multimeter to test the power window switch for proper operation. Ensure that it is sending the correct voltage to the motor when activated.
• Measure Voltage at the Motor: Disconnect the power window motor connector and use a multimeter to measure the voltage at the connector while operating the switch. You should see battery voltage (typically around 12V) when the switch is activated.
• If there is no voltage, trace back to the switch and check for continuity in the wiring.
• Check for Ground: Ensure that the ground connection for the power window motor is intact. Use a multimeter to check for continuity between the motor ground terminal and a known good ground.
• Inspect the Motor: If the wiring and switch are functioning correctly, the issue may lie within the power window motor itself. Test the motor by applying direct battery voltage to it (be cautious and ensure proper polarity).
• If the motor does not operate when directly powered, it may need to be replaced.
• Check for Short Circuits: Use a multimeter to check for shorts in the wiring harness. Disconnect the motor and switch, then check for continuity between the power wire and ground. If there is continuity, there is a short somewhere in the circuit.
• Scan for Additional Codes: Use an OBD-II scanner to check for any additional trouble codes that may provide more context or indicate related issues.
• Consult Wiring Diagrams: Refer to the vehicle’s wiring diagrams to understand the circuit layout and identify any other components that may be involved in the power window system.
• Repair or Replace Components: Based on your findings, repair any damaged wiring, replace the power window motor if necessary, or replace the switch if it is faulty.1
• Clear Codes and Test Drive: After making repairs, clear the trouble codes using an OBD-II scanner and take the vehicle for a test drive to ensure the issue is resolved.1
• Professional Help: If you are unable to diagnose or fix the issue, consider seeking help from a professional mechanic who has experience with automotive electrical systems. By following these steps, you should be able to identify and resolve the issue related to the B1417 code. Always ensure safety precautions are taken when working with electrical systems in vehicles.