B1613 – Wiper Rear Mode Select Switch Circuit Short To Battery

The ODBII code B1613 indicates a short circuit in the rear wiper mode select switch circuit, specifically signaling that the circuit is shorted to battery voltage.

The severity of ODBII code B1613 is moderate.

Common Causes For: B1612 Wiper Rear Mode Select Switch Circuit Open

• Shorted wiring or connectors
• Faulty rear wiper mode select switch
• Corroded or damaged electrical connections
• Malfunctioning body control module (BCM)
• Grounding issues
• Water intrusion or moisture in the circuit

Common misdiagnosis for B1613 Wiper Rear Mode Select Switch Circuit Short To Battery

• Faulty rear wiper motor
• Defective wiper control module
• Wiring issues or shorts in the harness
• Malfunctioning body control module (BCM)
• Incorrectly installed or damaged wiper switch
• Issues with the vehicle’s electrical system or battery
• Faulty ground connections

Common Troubleshooting Steps

When dealing with an OBD-II code B1613, which indicates a “Wiper Rear Mode Select Switch Circuit Short To Battery,” there are several common troubleshooting steps you can follow to diagnose and potentially resolve the issue. Here’s a structured approach:

• Understand the Code: B1613 typically relates to the rear wiper system and indicates that there is a short circuit in the mode select switch circuit, which is causing it to be continuously powered.
• Visual Inspection: **Check Wiring and Connectors: Inspect the wiring harness and connectors associated with the rear wiper switch. Look for any signs of damage, fraying, or corrosion.
• **Inspect the Switch: Check the rear wiper mode select switch for any physical damage or wear.
• Check for Short Circuits: **Use a Multimeter: With the vehicle off, use a multimeter to check for continuity in the circuit. Disconnect the switch and measure resistance between the switch terminals and ground. A low resistance reading may indicate a short to battery.
• **Inspect Ground Connections: Ensure that all ground connections are secure and free of corrosion.
• Test the Rear Wiper Switch: **Functionality Test: If possible, test the rear wiper mode select switch for proper operation. You can do this by applying power to the switch and checking if it operates correctly.
• **Replace if Necessary: If the switch is faulty, replacing it may resolve the issue.
• Check the Wiper Motor: **Inspect the Wiper Motor: Sometimes, the issue may stem from the rear wiper motor itself. Check for any signs of damage or malfunction.
• **Test the Motor: If you suspect the motor, you can test it by applying direct power to see if it operates correctly.
• Scan for Additional Codes: **Check for Other Codes: Use an OBD-II scanner to check for any additional trouble codes that may provide more context or indicate related issues.
• Clear Codes and Test Drive: **Clear the Code: After performing the above checks and repairs, clear the code using an OBD-II scanner.
• **Test Drive: Take the vehicle for a test drive to see if the code reappears.
• Consult Wiring Diagrams: **Refer to Service Manual: If the issue persists, consult the vehicle’s service manual for wiring diagrams and further troubleshooting steps specific to the make and model.
• Seek Professional Help: If you are unable to resolve the issue after these steps, it may be best to consult a professional mechanic or technician who can perform more advanced diagnostics. By following these steps, you should be able to identify and potentially resolve the issue related to the B1613 code.