Breeze, Cirrus, Sebring Convertible and Sedan, Stratus Sedan, 1999-2005

2.7L V6 VIN U Auto 6

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Trouble Code: P1798



A/T Transmission Fluid Is Burnt Or Contaminated

Possible Causes:



ATF is burnt, contaminated or very dirty
 
Extremely low battery (system) voltage
 
Transmission pan has debris
 
Transmission has internal damage causing the vehicle shudder
 

Trouble Code: P1799



A/T Calculated Oil Temperature In Use Malfunction

Possible Causes:



TFT Sensor signal circuit is open
 
TFT Sensor ground circuit is open
 
TFT Sensor signal circuit is shorted to ground
 
TFT Sensor signal circuit is shorted to VREF (5v)
 
TFT Sensor signal not correct for the ATF fluid temperature
 
Speed Sensor signal circuit is open or shorted to ground
 
Speed Sensor signal circuit is shorted to system power
 
TCM oil temperature Sensor high or low circuit has failed
 

Trouble Code: P1899



A/T Park Neutral Switch Stuck in Park Position or In Gear

Possible Causes:



P/N switch signal circuit is open between the switch and PCM
 
P/N switch signal circuit is shorted to Sensor or chassis ground
 
P/N switch ground circuit is open (at the switch mounting point)
 
P/N switch is stuck in P/N position, or stuck in Drive position
 
P/N switch is damaged or has failed
 
PCM has failed
 

 
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