Memory Seat Module (MSMD)

U0011-00-CAN INTERIOR BUS OFF PERFORMANCE





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously.

- Set Condition:
The Memory Seat Module detects the (D265) CAN IHS BUS (125K)(+) circuit or (D264) CAN IHS BUS (125K)(-) circuit open.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase MSMD DTCs
3. Cycle the ignition from on to off three times.
4. Turn the ignition on.
5. With the scan tool, read active MSMD DTCs.

Does the scan tool display this DTC as active?

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. (D265) CAN IHS BUS (125K)(+) CIRCUIT OPEN




1. Turn the ignition off.
2. Disconnect the Memory Seat Module C1 harness connector.
3. Measure the voltage between the (D265) CAN IHS BUS (125K)(+) circuit and ground.

Is there any voltage present?

Yes

- Go To 3

No

- Repair the (D265) CAN IHS BUS (125K)(+) circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (D264) CAN IHS BUS (125K)(-) CIRCUIT OPEN




1. Turn the ignition off.
2. Disconnect the Memory Seat Module C1 harness connector.
3. Measure the voltage between the (D264) CAN IHS BUS (125K)(-) circuit and ground.

Is there any voltage present?

Yes

- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Memory Seat Module. Memory Seat Module - Removal.
- Perform the POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.

No

- Repair the (D264) CAN IHS BUS (125K)(-) circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.