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Possible Causes

Possible Causes 
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT HIGH RESISTANCE
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(T313) MODE SENSOR SIGNAL CIRCUIT HIGH RESISTANCE
(T313) MODE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
(T313) MODE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K594) DRIVETRAIN SENSOR RETURN CIRCUIT HIGH RESISTANCE
TRANSFER CASE MOTOR
FINAL DRIVE CONTROL MODULE