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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Cluster - Electrical Diagnostics >> Electrical Diagnostics >> DTC Troubleshooting >> B2143-UGDO Enable Control Circuit >> Diagnostic Test

Diagnostic Test

  1. 1)  CHECK FOR AN ACTIVE DTC 

    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. Refer to BODY VERIFICATION TEST - VER 1 .
  2. 2)  (G38) UGDO ENABLE CONTROL CIRCUIT SHORT TO VOLTAGE 
    Fig 1: Measuring Voltage Of UGDO Enable Control Circuit
    GC0043596Courtesy of DAIMLERCHRYSLER CORP.

    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. Refer to BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go To  3).
  3. 3)  (G38) UGDO ENABLE CONTROL CIRCUIT SHORT TO GROUND 
    Fig 2: Measuring Resistance Between Ground & UGDO Enable Control Circuit
    GC0043597Courtesy of DAIMLERCHRYSLER CORP.

    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. Refer to BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go To  4).
  4. 4)  (G38) UGDO ENABLE CONTROL CIRCUIT OPEN 
    Fig 3: Measuring Resistance Of UGDO Enable Control Circuit
    GC0043598Courtesy of DAIMLERCHRYSLER CORP.

    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. Refer to BODY VERIFICATION TEST - VER 1 .

    No 

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