FixVault

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO GROUND
(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO (K915) SENSOR GROUND
(K222) ECT 2 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
ENGINE COOLANT TEMPERATURE SENSOR 2
POWERTRAIN CONTROL MODULE (PCM)

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