B2847

B2847 - Driver Blind Spot Warning Light Control Circuit High

For a complete wiring diagram, refer to.

• When Monitored: Continuously.

• Set Condition: When the driver blind spot indicator circuit senses an open circuit for over 55 ms., this code will set.






Test Step 1 - Test for an Intermittent Condition

• Turn the ignition ON.

• With the scan tool, erase all DTCs.

• Cycle the ignition from on to off three times.

• Turn the ignition on.

• With the scan tool, read active DTCs.

Does the scan tool display this DTC as Active?

Yes

• Go to Test Step 2

No

• Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Repair as necessary.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Inspect Mirror Connections

• Turn the ignition off.

• Disconnect the driver door module C1 harness connector.

• Inspect the wiring and connectors between the mirror and the drivers door module.

Were there any problems found?

Yes

• Repair as necessary.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Go to Test Step 3

Test Step 3 - Mirror Assembly

• Measure the resistance between the P713 driver blind spot indicator return circuit and the P711 driver blind spot indicator driver circuit in the DDM C1 connector.

Is the resistance between 550.0 and 650.0 ohms?

Yes

• Replace the driver door module.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Replace the driver outside rearview mirror assembly.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior