Diagnostic Test
- ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.NOTE: Diagnose and repair any related sensor or communication DTCs in the Totally Integrated Power Module (TIPM) before continuing with this test.
- Start the engine and allow it to reach operating temperature.WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury.
- With a scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing for diagnostic procedures and for further possible causes.
No
- Perform the CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
- Start the engine and allow it to reach operating temperature.