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1. Disconnect the brake transmission shift interlock (BTSI) control solenoid (4-pin) connector.
2. Connect a DMM between the BTSI control solenoid (4-pin) connector terminal A and ground.
3. Measure the voltage available at the BTSI control solenoid (4-pin) connector terminal A .

Is the voltage within the specified values?

10.0-14.0V

Go to Step 3

Go to Step 4

1. Reconnect the BTSI control solenoid connector.
2. Disconnect the Body Control Module (BCM) connector C3.
3. Connect a fused jumper (10 A) between the Body Control Module (BCM) connector C3 terminal B6 and ground.

Does the light inside the PRNDL illuminate?

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Go to Step 7

Go to Step 8

Check the PKT/LP MiniFuse® #6 for an open.

Is the fuse open?

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Go to Step 6

Go to Step 5

Repair an open in the CKT 240.

Is the repair complete?

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Repair a short to ground in CKT 240.

Is the repair complete?

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Replace the BCM.

Is the repair complete?

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1. Disconnect the BTSI Control Solenoid (4-pin) connector.
2. Connect a DMM between the BTSI Control Solenoid connector terminal B and the BCM connector C3 terminal B6.
3. Measure for continuity in CKT 8 between the BTSI Control Solenoid connector and the BCM connector C3.

Is CKT 8 continuous between the BTSI Control Solenoid connector and the BCM connector C3?

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Go to Step 9

Go to Step 10

Repair an open in the CKT 8.

Is the repair complete?

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Replace the PRNDL illumination lamp.

Is the repair complete?

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