The OBD code B3101 indicates a problem with the Remote Control Door Lock Receiver (RCDLR) circuit.
Symptoms include the Engine Light being ON.
This issue is commonly caused by a faulty RCDLR, open or shorted RCDLR harness, poor electrical connection, or a faulty Body Control Module (BCM).
It is important to visually inspect wiring harnesses, connectors, and components for damage.
| 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 b3101 OBD Code
The vehicle displays a warning light indicating a fault with the b3101 code.
- Symptoms: Service Airbag Warning Light ON.
- Airbag system may not deploy in a crash.
- Vehicle may have a stored crash event in the airbag module.
Causes of the b3101 OBD Code
Possible triggers for fault code B3101 include issues with the driver’s door key cylinder.
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- B3101 can be caused by a faulty Remote Control Door Lock Receiver (RCDLR).
- A Remote Control Door Lock Receiver harness that is open or shorted.
- A Remote Control Door Lock Receiver circuit with a poor electrical connection.
- Or a faulty Body Control Module (BCM).
Fixing Error Code b3101 Step By Step
To address fault code B3101, inspect and repair the driver’s door key cylinder switch circuit.
- To fix OBDII code B3101, 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 affected component for any signs of wear or damage.
- Test the affected component for proper operation and replace if necessary.
- Clear the fault codes from the vehicle’s computer using a scan tool.
- Finally, test drive the vehicle to ensure the issue has been resolved.
Cost Of Fixing b3101 Fault Code
The repair for fault code B3101 may involve replacing the driver’s door key cylinder switch.
The cost to diagnose and fix OBD code B3101 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and complexity can influence the final cost.
Details of the b3101 OBD Code
B3101 code indicates an issue with the driver’s door key cylinder switch circuit.
OBD code B3101 means KeyInIgnition Circuit Malfunction.
This code is triggered when the Body Control Module (BCM) detects a fault in the circuit related to the key being in the ignition.
The BCM monitors the keyinignition status through various inputs like door switches, ignition switch signals, and key fob signals.
When a fault is detected in this circuit, the B3101 trouble code is set, indicating a potential issue with the keyinignition system.
Mechanic’s Tech Notes
Code B3101 indicates an issue with the driver’s door key cylinder switch circuit.
OBDII code B3101 indicates a problem with the keyless entry antenna circuit.
To diagnose, use a voltmeter to check for proper voltage at the antenna and inspect wiring for damage.
Test the antenna’s resistance and continuity.
Scan tools can help verify communication between the keyless entry module and other vehicle modules.
If no issues are found, reprogramming the keyless entry module may be necessary.
Inspect the antenna for physical damage or corrosion.
Ensure the antenna is properly connected and securely mounted.
FAQ
OBD code B3101 indicates an issue with the Remote Control Door Lock Receiver (RCDLR). Check wiring, connectors, and BCM for faults.
Common symptoms of code B3101 include Engine Light ON, caused by issues like faulty RCDLR, wiring harness problems, poor connections, or faulty BCM. Inspect and repair affected components.
Diagnose and repair OBD code B3101 by checking for a faulty RCDLR, harness issues, or BCM problems. Inspect wiring, connectors, and pins for damage or corrosion.
Wrap Up
If your vehicle is displaying OBD code b3101, you may experience issues with the driver’s door key cylinder switch circuit.
This could be caused by a faulty key cylinder switch, damaged wiring, or poor connections in the circuit.
To address OBD code b3101, start by inspecting the wiring harness and connectors related to the driver’s door key cylinder switch.
Look for any signs of damage, corrosion, or loose connections.
Test the key cylinder switch for proper operation and replace it if necessary to resolve the issue.
