FixVault

Possible Causes

Possible Causes 
(F856) 5-VOLT SUPPLY CIRCUIT OPEN
(F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(G6) ENGINE OIL PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(G6) ENGINE OIL PRESSURE SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
ENGINE OIL PRESSURE SENSOR
PCM

Always perform the  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  before proceeding.