Diagnostic Test

With the scan tool, read the DTC's.

Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 10 seconds.

With the scan tool, read the DTC's.

Does the scan tool display this DTC as active? 

Yes 

1. Go to step  2).

No 

1. If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

Fig 1: Measuring Voltage Of The (F901) Ignition Switch Output (Unlock/Run/Start) Circuit

Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the PCM C1 (NGC) or the PCM C2 (GPEC) harness connector.

Turn the ignition on.

Using a test light connected to ground, measure the voltage of the (F901) Ignition Switch Output (Unlock/Run/Start) circuit.

Does the test light illuminate? 

Yes 

1. Replace the PCM in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Go to step  3).

Fig 2: Measuring For A Short To Ground On The (F901) Ignition Switch Output (Unlock/Run/Start) Circuit

Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the TIPM C2 harness connector.

Using a test light connected to 12 volts, measure for a short to ground on the (F901) Ignition Switch Output (Unlock/Run/Start) circuit.

Does the test light illuminate? 

Yes 

1. Repair the (F901) Ignition Switch Output (Unlock/Run/Start) circuit for a short to ground.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Replace the TIPM in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .