LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Dodge and Ram
>>
2003
>>
Durango Base, 5.9 Z, 4WD, Part Time
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics - 5.9L
>>
Diagnostic Tests
>>
DTC P1597: Speed Control Switch Always Low
>>
Set Condition:
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Set Condition:
This DTC will set when switch voltage is less than 0.39 volt for 2 minutes.