Possible causes
– Check engine for a vacuum leak
– Check 5 volt sensor reference
– Open or short circuit condition
– Failed MAP sensor
– Failed TP sensor
– Check 5 volt sensor reference
– Open or short circuit condition
– Failed MAP sensor
– Failed TP sensor
When is the code detected?
Based on calculated MAP, either both of the TP sensors have failed or the engine has a large vacuum leak
DODGE Technical Service Bulletins for P2173 code
2008 DODGE CALIBER POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 DODGE CALIBER AWD POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2003 DODGE DAKOTA ENGINE AND ENGINE COOLING
2003 DODGE DURANGO ENGINE AND ENGINE COOLING
2003 DODGE RAM ENGINE AND ENGINE COOLING