Mechanics

TAC AIR FLOW LOW (P2175)

2012 Dodge Ram

Snap on scanner. Mitchell on demand. Im not getting anywhere with this. What is it, or at least what is the abreviation TAC any help at all would be awesome
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Toylander1
August 13, 2007.



Throttle Actuator Control (TAC) System

P2175-LOW AIRFLOW/RESTRICTION DETECTED (SLOW ACCUMULATION)
When Monitored: Ignition on and no MAP Sensor or TP Sensor DTC present.
Set Condition: MAP Sensor has failed in one of four ways based on the Gas Flow
Adaptation value being too low. One trip fault. Three good trips to turn off the MIL. ETC
light will flash.
POSSIBLE CAUSES
GOOD TRIP EQUAL TO ZERO
RESTRICTED AIR INLET SYSTEM
RESISTANCE IN THE (F856) 5-VOLT SUPPLY CIRCUIT
RESISTANCE BETWEEN GROUND AND THE (F856) 5-VOLT SUPPLY CIRCUIT
MAP SENSOR
RESISTANCE IN THE (K1) MAP SIGNAL CIRCUIT
RESISTANCE BETWEEN GROUND AND THE (K1) MAP SIGNAL CIRCUIT
RESISTANCE IN (K900) SENSOR GROUND CIRCUIT
TP SENSOR OPERATION
RESISTANCE IN THE (F855) 5-VOLT SUPPLY CIRCUIT
RESISTANCE BETWEEN GROUND AND THE (F855) 5-VOLT SUPPLY CIRCUIT
TP SENSOR
RESISTANCE IN THE TP SENSOR SIGNAL CIRCUIT
RESISTANCE BETWEEN GROUND AND THE TP SENSOR SIGNAL CIRCUIT
RESISTANCE IN THE (K922) SENSOR RETURN CIRCUIT

Tiny
Dipweed23
Aug 18, 2007.