Circuit/System Verification

Ignition/Vehicle - Off
Verify that none of the following are set:
- Service Side Detection System message in DIC
- DTC U0232 or U0233
- If the message is displayed or DTCs are set
1. Inspect the Side Object Sensor harness and module connectors for signs of corrosion.
- If corrosion is found, replace the harness and both modules.
  NOTE:
  Dielectric grease should be applied to the new components to prevent future corrosion.
- If no corrosion is found, continue with Circuit/System Verification.
- Go to next step: If no message is displayed or no DTCs are set
Ignition - On/Vehicle - In Service Mode
Verify the component turns On and Off:
- Side Blind Zone Alert Indicator @ A9A Outside Rearview Mirror - Driver
- Side Blind Zone Alert Indicator @ A9B Outside Rearview Mirror - Passenger
- If the component does not turn On and Off
  Refer to: DTC B094D or B094E
- Go to next step: If the component turns On and Off
Verify that no DTCs are set.
- If any DTC is set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle Diagnostic Trouble Code DTC List - Vehicle
- Go to next step: If no DTC is set
Verify the following control modules contain the latest software: B218L Side Object Sensor Module - Left
- If not the latest software is contained
  Program the control module: B218L Side Object Sensor Module - Left
- Go to next step: If the latest software is contained
All OK.