Test Description
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
- 3: Compares battery voltage with the voltage that the BCM calculates.
DTC B1327
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Connector End View Reference: Inline Harness Connector End Views or Data Communication Connector End Views | ||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
8.8 V | Go to Step 5 | Go to Step 3 |
| 3 |
|
1 V | Go to Battery Inspection/Test (Side Terminal Battery) or Battery Inspection/Test (Top Post Terminal Battery) | Go to Step 5 |
| 4 | Test the battery voltage and ground circuits of the body control module (BCM) for a high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 6 |
| 6 |
IMPORTANT:
Perform the setup procedure for the BCM. Replace the BCM. Refer to Control Module References
for replacement, setup, and programming.Did you complete the replacement? |
- | Go to Step 7 | - |
| 7 |
|
- | Go to Step 2 | System OK |