Circuit Description
During periods of high electrical current drain, the body control module (SBM) may intermittently block selected components from receiving power, including the heated seats. The SBM pulls CKT 182, terminal A5 to ground in order to control the heated seat control module. The heated seat control module disables the heated seats. The SBM monitors CKT 182 terminal A5 for shorts to ground.
Conditions for Setting the DTC
The BCM detects a short to ground in CKT 182.
Action Taken When the DTC Sets
| • | DTC B2348 is stored in the BCM memory. |
| • | No driver warning message will be displayed for this DTC. |
Conditions for Clearing the DTC
A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Body Control Module Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Is the DTC still present? | -- | Go to Step 3 | |
3 | Test CKT 182 for an open or a short to ground. Is the SBM replacement complete? | -- | Go to Step 5 | Go to Step 4 |
4 | Replace the heated seat module. Refer to Heated Seat Module Replacement. Did you complete the repair? | -- | Go to Step 6 | -- |
5 | Repair the open or the short to ground in CKT 182. Did you complete the repair? | -- | Go to Step 6 | -- |
6 |
Did you complete the repair? | -- | -- |
