B1855

B1855-DRIVER WINDOW MOTOR CONTROL CIRCUIT HIGH







- When Monitored:
Whenever the module is awake.

- Set Condition:
When both Driver Window Driver circuits (Up and Down) are supplied with voltage during a window movement command, this code will set.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs
3. Try to operate the Driver Window up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read the DTCs.

Does the scan tool display B1855-DRIVER WINDOW MOTOR CONTROL CIRCUIT HIGH?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. (Q21) DRIVER WINDOW DRIVER (DOWN) CIRCUIT SHORT TO VOLTAGE




1. Turn the ignition off.
2. Disconnect the Driver Door Module C1 connector.
3. Turn the ignition on.
4. Measure the voltage between the (Q21) Driver Window Driver (Down) circuit and Ground.

Is there any voltage present?

Yes

- Repair the (Q21) Driver Window Driver (Down) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. (Q11) DRIVER WINDOW DRIVER (UP) CIRCUIT SHORT TO VOLTAGE




1. Measure the voltage between the (Q11) Driver Window Driver (Up) circuit and Ground.

Is there any voltage present?

Yes

- Repair the (Q11) Driver Window Driver (Up) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Driver Door Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.