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Possible Causes

Possible Causes 
INTERMITTENT DTC
(K858) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO THE (K858) 5 VOLT SUPPLY CIRCUIT
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO THE (K856) 5 VOLT SUPPLY CIRCUIT
(K29) APP SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
(K400) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
ACCELERATOR PEDAL POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .