OBD-II DTC B1614 – Wiper Rear Mode Select Switch Circuit Short To Ground
DTC B1614 meaning
DTC B1614 refers to a diagnostic trouble code indicating a short circuit to ground in the rear wiper mode select switch circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. The rear wiper mode select switch is responsible for controlling the operation of the rear wiper, and a short to ground can disrupt its functionality.
DTC B1614 symptoms
Common symptoms associated with DTC B1614 may include:
- Rear wiper not functioning
- Inconsistent operation of the rear wiper
- Dashboard warning lights illuminated
- Other electrical issues in the rear wiper circuit
DTC B1614 causes
Several factors can lead to the occurrence of DTC B1614, including:
- Faulty rear wiper mode select switch
- Damaged wiring or connectors in the circuit
- Corrosion or moisture in the electrical connections
- Short circuit due to insulation failure
DTC B1614 seriousness
The seriousness of DTC B1614 can vary. While it may not pose an immediate safety risk, it can lead to reduced visibility in adverse weather conditions if the rear wiper is inoperative. It is advisable to address this issue promptly to ensure proper vehicle functionality.
How to diagnose DTC B1614
To diagnose DTC B1614, follow these steps:
- Use an OBD-II scanner to confirm the presence of the code.
- Inspect the rear wiper mode select switch for physical damage.
- Check the wiring and connectors for signs of wear, corrosion, or damage.
- Test the continuity of the circuit to identify any shorts to ground.
- Perform a visual inspection of the vehicle’s electrical system for any other related issues.
How to fix DTC B1614 step-by-step instructions
To fix DTC B1614, follow these step-by-step instructions:
- Disconnect the vehicle’s battery to ensure safety.
- Inspect and replace the rear wiper mode select switch if found faulty.
- Repair or replace any damaged wiring or connectors in the circuit.
- Clean any corrosion from electrical connections and ensure a secure fit.
- Reconnect the battery and test the rear wiper operation.
- Use an OBD-II scanner to clear the DTC and verify that it does not return.
How to erase DTC B1614
To erase DTC B1614, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the vehicle’s ignition without starting the engine.
- Navigate to the option to clear or erase trouble codes on the scanner.
- Confirm the action to erase the DTC.
- Disconnect the scanner and start the vehicle to ensure the code does not reappear.