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2004
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Wrangler X, Automatic
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Engine Performance
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Powertrain Diagnostic Procedures
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DRIVEABILITY - Gas
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DTC P1597: Speed Control Switch Always Low
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Possible Causes
Possible Causes
S/C SWITCH VOLTAGE BELOW 1.0 VOLT
S/C ON/OFF SWITCH
S/C RESUME/ACCEL SWITCH
CLOCKSPRING SHORTED TO GROUND
(V37) S/C SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
(V37) S/C SWITCH SIGNAL CIRCUIT SHORTED TO (K4) SENSOR GROUND
PCM