P1C5D-INTELLIGENT BATTERY SENSOR INTERNAL

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

When Monitored:
With the ignition on.
Set Condition:
The Powertrain Control Module (PCM) receives a LIN BUS message from the Intellegent Battery Sensor (IBS) of an internal failure for 2.0 seconds.

Possible Causes
INTELLIGENT BATTERY SENSOR (IBS)
POWERTRAIN CONTROL MODULE (PCM)

1. DTC IS ACTIVE

1.	Turn the ignition on.

2.	With the scan tool, erase DTCs in the PCM.

3.	Cycle the ignition on and off several times, leaving the ignition on for at least 20 seconds during each ignition cycle.

4.	Turn the ignition on.

5.	With the scan tool, select View DTCs.

Is the status Active for this DTC?

Yes

2. INTELLIGENT BATTERY SENSOR

1.	Turn the ignition off.

2.	Replace the Intelligent Battery Sensor in accordance with the service information.

3.	Turn the ignition on.

4.	With the scan tool, erase DTCs in the PCM.

5.	Cycle the ignition on and off several times, leaving the ignition on for at least 20 seconds during each ignition cycle.

6.	Turn the ignition on.

7.	With the scan tool, select View DTCs.

Did the DTC return?

Yes

3. POWERTRAIN CONTROL MODULE

1.	Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the IBS and the Powertrain Control Module.

2.	Look for any chafed, pierced, pinched, or partially broken wires.

3.	Look for broken, bent, pushed out or corroded terminals.

4.	Perform any Technical Service Bulletins that may apply.

Were any problems found?

Yes

Replace the Powertrain Control Module in accordance with the service information.
Perform the PCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).