The OBD code B1808 for Chrysler indicates a fault in the passenger door lock/unlock switch circuit.
Symptoms include the Engine Light being ON.
The issue is commonly caused by a faulty passenger door lock/unlock switch or related wiring harness issues.
While not a critical problem, it should be addressed promptly.
To fix it, inspect the switch, wiring harness, and connectors for any damage or poor connections.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Chrysler b1808 OBD Code
The specific fault code B1808 in a Chrysler indicates an issue with the occupant classification module.
- Symptoms: Airbag warning light illuminated.
- Chime sound when starting the vehicle.
- Airbag system may not deploy in a collision.
Causes of the Chrysler b1808 OBD Code
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Possible triggers for Chrysler fault code B1808 include faulty occupant classification module or seat weight sensor.
- B1808 can be caused by a faulty Passenger Door Lock/Unlock Switch.
- A Passenger Door Lock/Unlock Switch harness that is open or shorted.
- A Passenger Door Lock/Unlock Switch circuit with a poor electrical connection.
- A faulty Instrument Cluster.
Fixing Chrysler Error Code b1808 Step By Step
To resolve Chrysler fault code B1808, inspect and repair the driverside airbag squib circuit.
- To fix the Chrysler OBDII code B1808, start by reviewing the possible causes and visually examining the wiring harness and connectors.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If the wiring and connectors appear to be in good condition, proceed to test the airbag control module for proper operation.
- Replace the airbag control module if necessary.
- Finally, clear the fault code and perform a test drive to ensure the issue has been resolved.
Cost Of Fixing Chrysler b1808 Fault Code
Repairing fault code B1808 on a Chrysler may involve replacing the occupant classification module.
The cost to diagnose and fix Chrysler OBD code B1808 is typically based on 1. 0 hour of labor, with rates ranging from $75 to $150 per hour.
The total cost will depend on shop rates, complexity of the repair, and any additional parts needed.
Details of the Chrysler b1808 OBD Code
Chrysler fault code B1808 relates to the occupant classification module.
Chrysler OBD code B1808 means that there is a problem with the occupant classification module.
This module is responsible for determining whether the passenger seat is occupied and the weight of the occupant.
The B1808 code specifically indicates a fault in the calibration of the occupant classification system.
This fault can lead to issues with the passenger airbag system, affecting its deployment in the event of a crash.
The occupant classification module uses pressure sensors in the seat to determine if the seat is occupied and the weight of the occupant.
If the calibration is off, it can lead to incorrect readings and potentially unsafe conditions.
Mechanic’s Tech Notes
For Chrysler B1808, refer to detailed information on diagnosis, causes, and solutions for this fault code.
To diagnose and fix OBDII code Chrysler B1808, start by visually inspecting the wiring harness and connectors related to the Transmission Control Module (TCM).
Look for any damaged components and check connector pins for signs of damage or corrosion.
Use a multimeter to check TCM power and ground connections.
Additionally, use a scan tool to verify if the TCM is communicating over the Controller Area Network (CAN) network.
If necessary, consider reprogramming or reflashing the TCM.
This comprehensive approach will help identify and address the root cause of the B1808 fault code.
FAQ
OBD code B1808 in a Chrysler indicates an issue with the passenger door lock/unlock switch. Check wiring harness, connectors, and components for faults.
Common symptoms of Chrysler OBD code B1808 include Engine Light ON, caused by issues with the Passenger Door Lock/Unlock Switch or related wiring. Inspect and repair as needed.
Diagnose and repair OBD code B1808 in a Chrysler: Symptoms Engine Light ON; Causes Faulty Passenger Door Lock/Unlock Switch; Fix Inspect wiring harness and connectors for damage.

Wrap Up
If your Chrysler is displaying OBDII code b1808 along with airbag warning lights, it may indicate a fault in the passenger airbag indicator circuit.
This could be caused by a faulty passenger airbag indicator sensor, damaged wiring, or poor connections in the circuit.
To address Chrysler OBDII code b1808, start by inspecting the passenger airbag indicator sensor and its wiring for any visible damage.
Check the connectors for corrosion or loose connections.
Test the sensor and circuit for proper functionality to determine if replacement or repair is necessary.