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Home >> Dodge and Ram >> 2009 >> Caliber SRT-4 >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2175 To P2432 >> P2431-Secondary Air Injection System Air Flow Sensor Circuit Performance >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
(K157) MAF SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
(K157) MAF SENSOR SIGNAL CIRCUIT SHORT TO GROUND
(K157) MAF SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(F343) FUSED MAIN RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
(K957) MAF SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
SECONDARY AIR PUMP ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  . 

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