The OBD code B16AB indicates a fault with the trunk lamp circuit.
Symptoms include the Engine Light being ON.
This code is commonly caused by a faulty trunk lamp, open or shorted trunk lamp harness, poor electrical connection in the circuit, or a faulty Body Control Module (BCM).
It is not a serious issue.
To fix it, inspect the trunk lamp, 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 b16ab OBD Code
The vehicle displays an airbag warning light on the dashboard.
- Symptoms: Service Engine Soon Warning Light ON.
- Possible loss of power while driving.
- Engine may run rough or misfire.
- Vehicle may have difficulty starting.
Causes of the b16ab OBD Code
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Fault code B16AB typically indicates a fault in the passenger seat belt buckle switch circuit.
- B16AB can be caused by a faulty Trunk Lamp.
- A Trunk Lamp harness that is open or shorted.
- A Trunk Lamp circuit with a poor electrical connection.
- A faulty Body Control Module (BCM).
Fixing Error Code b16ab Step By Step
To resolve fault code B16AB, inspect and repair the driver’s seat belt buckle switch circuit.
- To fix OBDII code B16AB, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the code.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, perform a thorough check of the transmission control module (TCM) and its connections.
- Test the TCM for proper voltage and functionality.
- Consider reprogramming or replacing the TCM if necessary to address the B16AB fault code.
Cost Of Fixing b16ab Fault Code
Diagnosing and repairing fault code B16AB may involve replacing the passenger seat occupancy sensor.
The cost to diagnose and fix OBD code B16AB is typically based on a 1. 0hour repair time.
Labor rates range from $75 to $150 per hour, so the total 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 b16ab OBD Code
Code B16AB relates to a fault in the passenger seat belt buckle switch circuit.
OBD code B16AB means Left Rear Side Impact Sensor Internal 1 Circuit Short to Battery.
This code is triggered by the airbag control module (ACM) when it detects a short to battery in the internal circuit of the left rear side impact sensor.
The left rear side impact sensor is part of the vehicle’s supplemental restraint system (SRS) and is responsible for detecting impacts on the left rear side of the vehicle to deploy the appropriate airbags or seatbelt pretensioners to protect occupants.
Mechanic’s Tech Notes
Code B16AB indicates a problem with the left side impact sensor circuit.
OBDII code B16AB indicates a communication error between the transmission control module (TCM) and the body control module (BCM).
To diagnose, check TCM power and ground using a multimeter.
Verify TCM response over the CAN network with a scan tool.
Visually inspect wiring harnesses and connectors for damage, focusing on pin condition.
Reflash the TCM if needed.
FAQ
OBD code B16AB indicates a faulty trunk lamp or related wiring issue. Check trunk lamp, harness, connectors, and BCM for faults.
Common symptoms of OBD code B16AB include Engine Light ON, caused by issues like faulty trunk lamp, harness problems, or BCM issues. Inspect and repair affected components and connections.
Diagnose OBD code B16AB by checking trunk lamp and harness for faults. Inspect BCM and wiring for damage or poor connections. Fix as needed.
Wrap Up
If your vehicle displays OBD code b16ab, you may experience issues with the automatic transmission system, such as erratic shifting, slipping gears, or harsh engagements.
This code typically indicates a problem with the transmission fluid pressure sensor circuit, a faulty transmission fluid pressure sensor, or issues with the wiring connecting these components.
To address OBD code b16ab, start by inspecting the wiring harness and connectors related to the transmission fluid pressure sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace it if necessary.
Ensure all connections are secure
