TM 10-3930-675-20-1 0022 00-13 ENGINE PRESSURE SENSOR TROUBLESHOOTING - CONTINUED 0022 00 . Table 3. Error Code 1419 - Intake Manifold Pressure Sensor Circuit Failure Troubleshooting Procedures. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Error  Code  1419  -  Intake  Manifold  Pressure Sensor Circuit Failure Notify SRA. Table 4. Error Code 1433 - Intake Manifold Pressure Sensor Circuit Failure Troubleshooting Procedures. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Error  Code  1433  -  Intake  Manifold  Pressure Sensor Circuit Failure 1.  Ensure that ignition switch is in  OFF  position.  Disconnect engine   harness   from   intake manifold pressure sensor (WP 0093 00). 2.  Inspect   engine   harness   and sensor   connector   for   dirty, corroded, bent, broken, pushed   back,   and   extended pins. Clean and repair connector(s) as required (WP 0111 00). 3.  Check   engine   harness   and sensor  connector  for  dirt  or moisture  in  or  on  connector and  for  missing  or  damaged connector seals. Remove dirt and moisture from connector.  Replace  missing  or damaged  connector  seals  (WP 0111 00). 4.  Place ignition switch to OFF position and disconnect sensor harness connector from engine ECU. 5.  Inspect   engine   harness   and sensor   connector   for   dirty, corroded, bent, broken, pushed   back,   and   extended pins. Clean and repair connector(s) as required (WP 0111 00). 6.  Check   engine   harness   and engine ECU connector for dirt or moisture in or on connector and  for  missing  or  damaged connector seals. Remove dirt and moisture from connector.  Replace  missing  or damaged  connector  seals  (WP 0111 00).