DTC P1781: 4X4L Switch Out Of Self-Test Range
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P1781 - 4X4L SWITCH OUT OF SELF-TEST RANGE
| Description: | The 4x4L switch is an on/off switch. If the powertrain control module (PCM) does not sense low voltage when the switch is on, the DTC sets. | ||
| Possible Causes: |
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| Diagnostic Aids: | Verify the 4x4L switch cycles on/off. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the appropriate FOUR-WHEEL DRIVE SYSTEMS article . | ||