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Home >> Cadillac >> 2004 >> XLR >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Diagnostic Information and Procedures >> DTC P2067 >> Test Description

Test Description

The number below refers to the step numbers on the diagnostic table.

  1. 3:  Tests for the proper operation of the circuit in the high voltage range.
DTC P2067

Step Action Value(s) Yes No
Schematic Reference: Instrument Cluster Schematics 
Connector End View Reference: Engine Controls Connector End Views or to Inline Harness Connector End Views
1 Did you perform the Vehicle Diagnostic System Check? - Go to Step 2  Go to Symptoms - Instrument Panel, Gages and Console 
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Fuel Level Sensor Right Tank parameter in the engine control module (ECM) EVAP data list.
Does the scan tool indicate that the Fuel Level Sensor Right Tank parameter is less than the specified value?		 0.5 V Go to Step 3  Go to Diagnostic Aids
3 
  1. Turn OFF the ignition.
  2. Disconnect C420.
  3. Turn ON the ignition, with the engine OFF.
  4. With a scan tool, observe the Fuel Level Sensor Right Tank parameter.
Does the scan tool indicate that the Fuel Level Sensor Right Tank parameter is greater than the specified value?		 4.5 V Go to Step 5  Go to Step 4 
4 Test the signal circuit of the secondary fuel level sensor for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 7 
5 Test the signal circuit of the secondary fuel level sensor for a short to ground between C101 and the secondary fuel level sensor. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 6 
6 Inspect for poor connections at the harness connector of the secondary fuel level sensor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
7 Inspect for poor connections at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 9 
8 Replace the secondary sender module. Refer to Fuel Tank Module Replacement - Right in Engine Controls.
Did you complete the replacement?		 - Go to Step 10  -
9
IMPORTANT: Program the replacement ECM.
Replace the ECM. Refer to Engine Control Module (ECM) Replacement in Engine Controls.Did you complete the replacement?		 - Go to Step 10  -
10
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 - Go to Step 2  System OK
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