Driver Mode Select Switch B Range/Performance

Where it lives

For P05D7, the part to look at first is the switch named here.

Check these first

• A driver mode select switch B that reads wrong
• Wiring faults in the switch B circuit
• A corroded switch connector
• A body control module input fault
• Low battery voltage

What to do next

1. Watch driver mode select switch B while it is pressed
2. Check battery voltage
3. Test the switch B circuit for opens or shorts
4. Inspect the switch connector
5. Replace the switch if the input is out of range
6. Clear the code and retest

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