RAM 1500 Truck 2WD V6-3.9L VIN X (1999)
SYMPTOM
* ANY HARD WIRED CLUSTER WARNING LAMP
POSSIBLE CAUSES
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Defective instrument cluster
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Hard wired lamp circuit open
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Inoperative lamp/bulb defective
One Gauge Not Operating Properly
SYMPTOM
* ONE GAUGE NOT OPERATING PROPERLY
POSSIBLE CAUSES
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Gauge not reading 4 psi> engine warm at idle
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Oil gauge not reading 4 psi or > at idle
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Oil level low
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Sensor ground circuit open
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Instrument cluster circuit board defective
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Oil pressure sensor defective
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Charging system defective
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Charging system DTC'S
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Defective instrument cluster
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Instrument cluster defective
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Oil pressure sense circuit open
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Oil pressure sense signal CKT short to ground
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Cooling system operation faulty
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Defective JTEC module
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Fuel gauge inoperative
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Instrument cluster defective
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JTEC module defective
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Oil pressure switch defective
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Pinion factor incorrect
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Powertrain Control Module defective
Average MPH/Fuel Econ Inoperative or Wrong
SYMPTOM
* AVERAGE MPH/FUEL ECON INOPERATIVE OR WRONG
POSSIBLE CAUSES
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Defective Compass/Mini-Trip Computer
CMTC Display Shows Failed
SYMPTOM
* CMTC DISPLAY SHOWS FAILED
POSSIBLE CAUSES
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Defective CMTC - display failed
CMTC Fails to Respond to Instrument Panel Dimming
SYMPTOM
* CMTC FAILS TO RESPOND TO INSTRUMENT PANEL DIMMING
TEST NOTE
This symptom is diagnosed using the test * AVERAGE MPH/FUEL ECON INOPERATIVE OR WRONG.
POSSIBLE CAUSES
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Defective Compass/Mini-Trip Computer
CMTC Segments Fail to Light Up
SYMPTOM
* CMTC SEGMENTS FAIL TO LIGHT UP
POSSIBLE CAUSES
