Diagnostic Test

Turn the ignition on.

With the scan tool, record and erase DTCs.

Wait 30 seconds.

With the scan tool, read DTCs.

Does the scan tool display: B2143-UGDO ENABLE CONTROL CIRCUIT? 

Yes 

1. Go to  2).

No 

1. The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chaffed, pierced, pinched and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded or contaminated terminals.
2. Perform BODY VERIFICATION TEST - VER 1 .

Fig 1: Measuring Voltage Of UGDO Enable Control Circuit

Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Instrument Cluster C2 harness connector.

Disconnect the Left Vanity Lamp Harness connector.

Turn the ignition on.

Measure the voltage of the (G38) UGDO Enable Control Circuit.

Is voltage present? 

Yes 

1. Repair the (G38) UGDO Enable Control Circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Go to  3).

Fig 2: Measuring Resistance Between Ground & UGDO Enable Control Circuit

Courtesy of CHRYSLER LLC

Measure the resistance between ground and the (G38) UGDO Enable Control Circuit.

Is the resistance below 10K ohms? 

Yes 

1. Repair the (G38) UGDO Enable Control Circuit for a short to ground.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Go to  4).

Fig 3: Measuring Resistance Of UGDO Enable Control Circuit

Courtesy of CHRYSLER LLC

Measure the resistance of the (G38) UGDO Enable Control Circuit.

Is the resistance above 10K ohms? 

Yes 

1. Repair the (G38) UGDO Enable Control Circuit for an open.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

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