The OBD code B2266 indicates a fault with the Left Side Blend Door Actuator in the Heating, Ventilation, and AirConditioning (HVAC) system.
Symptoms include the Engine Light being ON.
The issue may stem from a faulty actuator, wiring harness issues, or problems with related modules.
While not a critical problem, it can affect climate control.
To fix, inspect and repair any damaged components or wiring connections related to the Left Side Blend Door Actuator.
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 b2266 OBD Code
The vehicle displays a warning light indicating an issue with the left side airbag module.
- Symptoms: Service Engine Soon Warning Light ON.
- Possible nostart condition.
- Intermittent starting issues.
- Engine stalling while driving.
- Difficulty starting the vehicle.
Causes of the b2266 OBD Code
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Possible triggers for fault code B2266 include issues with the vehicle’s airbag system.
- B2266 can be caused by a faulty Left Side Blend Door Actuator.
- A Left Side Blend Door Actuator harness that is open or shorted.
- A Left Side Blend Door Actuator circuit with a poor electrical connection.
- A faulty Heating, Ventilation, and AirConditioning (HVAC) Module.
- A faulty Electronic Manual Temperature Control (EMTC).
Fixing Error Code b2266 Step By Step
To address fault code B2266, inspect and repair the driver’s door lock switch circuit as needed.
- To fix OBDII code B2266, 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, proceed to test the component or system associated with the code.
- Replace the faulty component if necessary.
- Clear the fault code using a scan tool and perform a road test to ensure the issue has been resolved.
Cost Of Fixing b2266 Fault Code
Repairing fault code B2266 typically involves replacing the left side airbag module in the vehicle.
The cost to diagnose and fix OBD code B2266 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 of the repair can influence the final cost.
Details of the b2266 OBD Code
B2266 code indicates a water in fuel sensor circuit malfunction in the vehicle.
OBD code B2266 means Left Headlamp Horizontal Aim Control Circuit Short to Ground.
This code is triggered by the Body Control Module (BCM) when it detects a short to ground in the circuit responsible for controlling the horizontal aim of the left headlamp.
The system involved in this fault code is the headlamp aim control system, which ensures proper alignment and adjustment of the headlamp beam.
Mechanic’s Tech Notes
Code B2266 indicates a water intrusion issue in the vehicle’s airbag control module.
OBDII code B2266 indicates a fault with the vehicle’s TCM power supply voltage.
To diagnose this issue, use a multimeter to check the TCM’s power and ground connections for proper voltage levels.
Additionally, utilize a scan tool to confirm if the TCM is communicating over the CAN network.
If the TCM does not respond, reprogramming or reflashing it may be necessary.
Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection will help pinpoint the root cause of the problem for an effective repair.
FAQ
OBD code B2266 indicates an issue with the Left Side Blend Door Actuator. Symptoms include Engine Light ON. Check wiring harness and connectors for faults.
Common symptoms of OBD code B2266 include Engine Light ON, caused by issues with the Left Side Blend Door Actuator or related components. Fix: Inspect and repair wiring/connectors.
Diagnose and repair OBD code B2266 by checking for a faulty Left Side Blend Door Actuator, harness issues, or HVAC module problems. Inspect wiring and connectors for damage.

Wrap Up
If your vehicle displays OBD code b2266, you may experience issues with the airbag system, such as an airbag warning light staying on or the airbags not deploying in an accident.
This code typically indicates a fault in the left side impact sensor circuit.
To address OBD code b2266, start by inspecting the wiring harness and connectors related to the left side impact sensor.
Look for any damaged wires, loose connections, or corrosion.
If no visible issues are found, consider testing the sensor itself for proper operation or replacing it if necessary.