Diagnostic Test

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
With the scan tool, read the active DTC's.

Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds.

With the scan tool, read the active DTC's.

Does the scan tool display this DTC as active?

Yes
1. Go To 2.
No
1. If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
RUN RELAY
Turn the ignition off.

Install a substitute Run Relay in place of the original Run Relay.

Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 30 seconds.

With the scan tool, read DTC's.

Does the scan tool display this DTC as active?

Yes
1. Go To 3.
No
1. Replace the original Run Relay.
2. Perform BODY VERIFICATION TEST - VER 1 .
(F923) RUN RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE

Fig 1: Measuring Voltage Of Run Relay Control Circuit At TIPM C1 Harness Connector
Courtesy of CHRYSLER LLC

Remove the Run Relay.

Measure the voltage of the (F923) Run Relay Control circuit at the TIPM C1 harness connector.

Is the voltage above 10.0 volts?

Yes
1. Repair the (F923) Run Relay Control circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the TIPM in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .