The voltage level is monitored by the engine control module (ECM) and is sent as a Class 2 data message to the instrument panel cluster (IPC).
• | The key is in the ON position. |
• | The engine is running. |
• | Engine speed must be greater than 1,500 RPM |
• | DTC 1327 is not current. |
This DTC will be set as current when the voltage falls below 10.5 volts for 30 seconds and the engine is running.
The charging system indicator message will be set in the drivers information center (DIC).
The DTC clears as a current status when the voltage is greater than 10.5 volts for 30 seconds with the engine running.
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Engine Electrical Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the scan tool indicate that the volts parameter is within the specified range? | 10.5-16.2 V | Go to Step 3 | Go to Charging System Test |
3 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | -- | Go to Step 4 | -- |
4 |
Does the DTC reset? | -- | Go to Step 2 | System OK |