PRNDL Display Park Indicator Inoperative. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 PRNDL Display Park Indicator Inoperative

Step	Action	Yes	No
Schematic Reference: Instrument Cluster Schematics
1	Did you perform the Instrument Cluster Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
2	Turn ON the ignition, with the engine OFF. Place the shift lever in the PARK position. Does the PRNDL display identify the PARK position?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Install a scan tool. With the scan tool, observe the Park Switch parameter in the IPC data list. Does the scan tool display CLOSED?	Go to Step 8	Go to Step 4
4	Disconnect the park switch. Connect a fused jumper wire between the park switch signal circuit and a good ground. With the scan tool , observe the Park Switch parameter. Does the scan tool display CLOSED?	Go to Step 6	Go to Step 5
5	Test the park switch signal circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 8
6	Test the ground circuit of the park switch for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 7
7	Inspect for poor connections at the harness connector of the park switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 9
8	Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 10
9	Replace the park switch. Refer to Park Position Switch Replacement in Steering Wheel and Column - Tilt or Park Position Switch Replacement in Steering Wheel and Column - Standard. Did you complete the replacement?	Go to Step 11	--
10	Replace the instrument cluster. Refer to Instrument Cluster Replacement . Did you complete the replacement?	Go to Step 11	--
11	Operate the system to verify the repair. Did you correct the condition?	System OK	Go to Step 3