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B18BA Jeep Code - Window Control Driver/Passenger Door Module

- Code Popularity: 699 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B18BA Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Driver/Passenger Door Window Motor
  • Driver/Passenger Door Window Motor harness is open or shorted
  • Driver/Passenger Door Window Motor circuit poor electrical connection
  • Faulty Driver/Passenger Door
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How to Fix the DTC B18BA Jeep?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

B18BA-4B WINDOW CONTROL OVER TEMPERATURE DRIVER/PASSENGER DOOR MODULE (DDM/PDM)
B18BA-11-WINDOW CONTROL CIRCUIT SHORT TO GROUND DRIVER/PASSENGER DOOR MODULE (DDM/PDM)
B18BA-12-WINDOW CONTROL CIRCUIT SHORT TO BATTERY DRIVER/PASSENGER DOOR MODULE (DDM/PDM)
B18BA-13-WINDOW CONTROL CIRCUIT OPEN DRIVER/PASSENGER DOOR MODULE (DDM/PDM)



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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B18BA Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B18BA Jeep Description

B18BA-4B
The Door Module logic has determined the temperature of the window motor has exceeded 80°C (176°F)
B18BA-11
If both of the Window Driver circuits (Up and Down) are grounded during a window movement command, the motor will be totally inoperative. To lower the window, voltage is applied to the Window Driver (Down) circuit and the Window Driver (UP) circuit remains grounded in the module. To drive the window up, the circuits are reversed.
B18BA-12
If either one of the Window Driver circuits are shorted to battery, the motor will operative in one direction only. If the current remains on when the window is in its full travel, the circuit breaker will open. To lower the window, voltage is applied to the Window Driver (Down) circuit and the Window Driver (UP) circuit remains grounded in the module. To drive the window up, the circuits are reversed.
B18BA-13
If either one of the Window Driver circuits are open, the motor will be totally inoperative. To lower the window, voltage is applied to the Window Driver (Down) circuit and the (Q11) Window Driver (UP) circuit remains grounded in the module. To drive the window up, the circuits are reversed.

OBDII Code B18BA Jeep - Window Control Driver/Passenger Door Module - AutoCodes.com
B18BA Jeep Code - Window Control Driver/Passenger Door Module

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