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Jeep Engine Codes

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P1489High Speed Fan CTRL Relay Circuit
P1490Low Speed Fan CTRL Relay Circuit
P1491Rad Fan Control Relay Circuit
P1492Battery Temperature Sensor Voltage Too High
P1493Battery Temperature Sensor Voltage Too Low
P1494Leak Detection Pump Switch or Mechanical Fault
P1495Leak Detection Pump Solenoid Circuit
P14965 Volt Supply Output Too Low
P1498High speed Rad Fan Ground CTRL Rly Circuit
P1594Charging System Voltage Too High
P1595Speed Control Solenoid Circuits
P1596Speed Control Switch Always High
P1597Speed Control Switch Always Low
P1598A/C Pressure Sensor Volts Too High
P1599A/C Pressure Sensor Volts Too Low
P1602PCM Not Programmed
P1680Clutch Released Switch Circuit
P1681No I/P Cluster CCD/J1850 Messages Received
P1682Charging System Voltage Too Low
P1683Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit
P1684Battery Disconnected Within Last 50 Starts
P1685Skim Invalid Key
P1686No SKIM Bus Message Received
P1687No Cluster Bus Message
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