OBD code B1630 indicates an issue with the PRNDL switch circuit.
This affects the Body Control Module (BCM).
Symptoms include the Engine Light being ON.
Common causes are a faulty PRNDL switch, open/shorted switch harness, or poor electrical connection.
It’s a moderate issue.
To fix, inspect wiring harness, connectors, and components for damage, and check connector pins for any issues.
| 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 b1630 OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B1630 stored.
- Symptoms: Service Engine Soon Warning Light ON.
- Possible nostart condition due to immobilizer system fault.
- Steering column lock may not release.
- Horn may not work.
- Power windows may not operate.
- Vehicle may not shift out of park.
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Causes of the b1630 OBD Code
Possible triggers for fault code B1630 include issues with the occupant classification system.
- B1630 can be caused by a faulty PRNDL Switch.
- A PRNDL Switch harness that is open or shorted.
- A PRNDL Switch circuit with a poor electrical connection.
- A faulty Body Control Module (BCM).
Fixing Error Code b1630 Step By Step
Address the issue by inspecting the occupant classification system for fault code B1630.
- To fix OBDII code B1630, first, 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.
- Next, check the wiring leading to the airbag control module for any issues.
- Test the airbag control module for proper operation and replace if necessary.
- Finally, clear the fault codes and perform a test drive to verify that the issue has been resolved.
Cost Of Fixing b1630 Fault Code
The repair for fault code B1630 typically involves replacing the occupant classification system module.
The cost to diagnose and fix OBD code B1630 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the general cost could be between $75 and $150. Factors like shop rates and the complexity of the repair can influence the final cost.
Details of the b1630 OBD Code
B1630 indicates a malfunction in the passenger airbag sensor circuit.
OBD code B1630 means Lamp Turn Signal Front Output Circuit Short to Battery.
This code is triggered by the Body Control Module (BCM) when it detects a short to battery in the front turn signal lamp circuit.
The BCM monitors the circuit for proper operation and illumination of the front turn signal lamps.
If a short to battery is detected, the BCM will set this diagnostic trouble code (DTC) B1630.
Mechanic’s Tech Notes
Code B1630 indicates a malfunction in the occupant classification system in the vehicle.
OBDII code B1630 indicates a problem with the TCM (Transmission Control Module) power supply.
To diagnose, use a voltmeter to check TCM power and ground connections.
Verify TCM communication over the CAN network using a scan tool.
Visually inspect wiring harnesses and connectors for damage, and check for broken, bent, or corroded pins.
If no visible issues are found, consider reprogramming the TCM.
FAQ
OBD code B1630 indicates an issue with the PRNDL switch circuit. Check for faults in the switch, harness, or BCM. Inspect wiring and connectors for damage or corrosion.
Common symptoms of OBD code B1630 include Engine Light ON, caused by a faulty PRNDL switch, harness issues, or a faulty Body Control Module. Inspect and repair affected components.
Diagnose OBD code B1630 by checking PRNDL switch, harness, and BCM. Inspect wiring for damage or poor connections. Repair as needed.
Wrap Up
If your airbag warning light is illuminated and OBDII code b1630 is present, it may indicate a fault in the right side crash sensor circuit.
This could be caused by a damaged sensor, wiring issue, or a poor connection.
To address OBDII code b1630, start by inspecting the wiring harness and connectors associated with the right side crash sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper functionality and replace if necessary.
