b2847 driver blind spot warning light control circuit high 2

B2847 Driver Blind Spot Warning Light Control Circuit High 2

OBD2 Code: B2847

Description: Driver blind spot warning light control circuit high.

Definition: This code indicates that there is a high voltage condition detected in the driver blind spot warning light control circuit. The system has identified an issue with the electrical circuit responsible for controlling the warning light, which may affect its functionality in alerting the driver to vehicles in their blind spot.

b2847: Driver Blind Spot Warning Light Control Circuit High
Typical Severity: Moderate

Common Causes

B2847 – Driver Blind Spot Warning Light Control Circuit High 2

• Common causes:
  1. Faulty blind spot warning light control module
  2. Short circuit in the wiring of the blind spot warning system
  3. Corrosion or poor connection in the wiring harness related to the blind spot warning system
  4. Issues with the blind spot monitoring sensors or their connections

 

Common Misdiagnosis

OBD2 Code: B2847
Description: Driver Blind Spot Warning Light Control Circuit High
Common Misdiagnosis: Faulty blind spot warning light bulb or LED assembly.

 

Common Diagnostic Steps

OBD2 Code: B2847
Description: Driver Blind Spot Warning Light Control Circuit High

• Step 1: Verify the code using an OBD2 scanner to ensure it is active.
• Step 2: Inspect the blind spot warning light and related wiring for any visible damage or disconnection.
• Step 3: Check the voltage supply to the blind spot warning light circuit. Ensure it matches manufacturer specifications.
• Step 4: Test the ground connection of the circuit for continuity and proper grounding.
• Step 5: Examine connectors and terminals for corrosion, bent pins, or poor connections that may cause high resistance in the circuit.
• Step 6: Use a multimeter to measure resistance across the circuit components to identify any shorts or open circuits.
• Step 7: If all checks are normal, consider testing or replacing the control module responsible for managing the blind spot warning system.