[SOLVED] Dodge B1634 Code: Quick Fix For High Beam Circuit

The OBD code B1634 for Dodge indicates an issue with the Left High Beam Bulb circuit.

Symptoms include the Engine Light being ON.

This code is commonly caused by a faulty bulb, open/shorted harness, poor electrical connection, or a faulty Front Totally Integrated Power Module (TIPM).

It is not a severe issue.

To fix it, inspect the wiring harness, connectors, and components for any damage or corrosion.

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 Dodge b1634 OBD Code

The Dodge B1634 fault code typically triggers when there is an issue with the passenger side airbag circuit.

Symptoms: Service Engine Soon Warning Light ON.
Possible nostart condition due to immobilizer system fault.
Loss of communication with the key fob.
Engine may start and immediately stall.
Engine may crank but not start.

Causes of the Dodge b1634 OBD Code

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Possible triggers for Dodge B1634 include issues with the passenger side airbag circuit.

B1634 can be caused by a faulty Left High Beam Bulb.
A Left High Beam Bulb harness that is open or shorted.
A Left High Beam Bulb circuit with poor electrical connection.
A faulty Front Totally Integrated Power Module (TIPM).

Fixing Dodge Error Code b1634 Step By Step

Address the issue by inspecting the passenger airbag module circuit for Dodge fault code B1634.

To fix the Dodge OBDII code B1634, start by reviewing the possible causes mentioned above.
Visually examine the wiring harness and connectors related to the code.
Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
If no issues are found with the wiring and connectors, consider resetting the module that is associated with the code.
Perform a software update on the module if necessary.
Replace the module if resetting and updating do not resolve the B1634 code.

Cost Of Fixing Dodge b1634 Fault Code

The repair for Dodge fault code B1634 may involve replacing the passenger airbag module.

The cost to diagnose and fix Dodge OBD code B1634 typically ranges from $75 to $150, based on a 1. 0hour repair time.

Factors like shop rates and complexity can affect the final cost.

Details of the Dodge b1634 OBD Code

Dodge fault code B1634 relates to a passenger airbag circuit malfunction.

Dodge OBD code B1634 indicates a problem with the Driver Door Ajar Circuit.

This code is triggered by the Body Control Module (BCM) when it detects an issue with the driver door ajar sensor circuit.

The BCM monitors the signal from the driver door ajar sensor to determine if the door is open or closed.

If it detects a fault in the circuit or if the signal is out of range, it will set this diagnostic trouble code (DTC) B1634.

Mechanic’s Tech Notes

For Dodge code B1634, check for a fault in the passenger airbag deactivation indicator circuit.

To diagnose OBDII code B1634 in a Dodge, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) using a scan tool.

If the TCM does not respond, reprogramming or reflashing may be necessary.

Visually inspect the wiring harness and connectors for any damage, focusing on broken, bent, or corroded pins.

Ensure all connections are secure.

If the issue persists, consider consulting a professional for further diagnosis and repair.

FAQ

1. What does OBD code B1634 indicate in a Dodge vehicle?

OBD code B1634 in a Dodge indicates an issue with the left high beam bulb circuit. Check the bulb, harness, and connections for faults.

2. How can I diagnose the root cause of OBD code B1634 in my Dodge?

Diagnose OBD code B1634 in Dodge by checking left high beam bulb, harness, and TIPM. Inspect wiring for damage, poor connections, or corrosion.

3. What are the common symptoms associated with OBD code B1634 in a Dodge, and how can I fix

Common symptoms of OBD code B1634 in a Dodge include Engine Light ON. To fix, check left high beam bulb, harness, and TIPM for issues. Inspect wiring and connectors for damage.

Wrap Up

If your Dodge is displaying OBD code b1634, you may experience issues with the passenger’s seat belt pretensioner circuit.

This could be caused by a faulty seat belt pretensioner, damaged wiring, or poor connections in the system.

To address Dodge OBD code b1634, check the wiring harness and connectors related to the passenger’s seat belt pretensioner.

Ensure all connections are secure, inspect for any visible damage, and test the seat belt pretensioner for proper functionality.

Replace any faulty components as needed to resolve the issue.