P1400  DPFE Sensor Low Voltage (Mazda) 
P1400  DPFE Sensor Low Voltage (Ford) 
P1401  DPFE Sensor High Voltage (Mazda) 
P1401  DPFE Sensor High Voltage (Ford)  P1403  DPFE Hoses Reversed (Mazda) 
P1403  No 5 Volts To EGR Sensor (Chrysler) 
P1404  Exhaust Gas Recirculation (EGR) Valve Pintle Stuck Open 
P1405  DPFE Upstream Hose Off Or Plugged (Mazda) 
P1405  DPFE Upstream Hose Off Or Plugged (Ford) 
P1406  DPFE Downstream Hose Off Or Plugged (Mazda) 
P1406  DPFE Downstream Hose Off Or Plugged (Ford) 
P1407  EGR No Flow Detected (Mazda) 
P1408  EGR Out Of Self Test Range (Mazda) 
P1408  EGR Out Of Self Test Range (Ford) 
P1409  Electronic Vacuum Regulator Control Circuit Malfunction (Mazda) 
P1409  EGR Vacuum Regulator Solenoid Circuit Malfunction (Ford) 
P1411  Secondary Air Injection System Downstream Flow (Ford) 
P1413  Secondary Air Injection System Monitor Circuit Low (Ford) 
P1414  Secondary Air Injection System Monitor Circuit High (Ford) 
P1432  THTRC Circuit Failure (Ford) 
P1441  Evaporative System Flow During Non-Purge 
P1443  Evaporative Emission Control System (Mazda) 
P1443  Small Or No Purge Flow Condition (Ford) 
P1444  Purge Flow Sensor Low Input (Mazda) 
P1445  Purge Flow Sensor High Input (Mazda) 
P1450  Unable To Bleed Up Fuel Tank Vacuum (Ford) 
P1451  EVAP Control System Canister Vent Solenoid Circuit Malfunction (Ford) 
P1457  Leak Detected In EVAP Control Sys.(EVAP Canister Sys.) (Acura) 
P1460  WOT A/C Cutoff Circuit Malfunction (Mazda) 
P1460  WOT A/C Cutoff Circuit Malfunction (Ford) 
P1461  ACP Sensor High Voltage (Ford) 
P1462  ACP Sensor Low Voltage (Ford) 
P1463  ACP Sensor Insufficent Pressure Change (Ford) 
P1464  A/C Demand Out Of Range (Ford) 
P1469  Low A/C Cycling Period (Ford) 
P1474  HCF Primary Circuit Failure (Ford) 
P1474  LFC Primary Circuit Failure (Ford) 
P1476  Too Little Secondary Air (Chrysler) 
P1477  Too Much Secondary Air (Chrysler) 
P1477  MFC Primary Circuit Failure (Ford) 
P1478  Battery Temp Sensor Volts Out of Limit (Chrysler) 
P1479  HFC Primary Circuit Failure (Ford) 
P1479  Transmission Fan Relay Circuit (Chrysler) 
P1480  PCV Solenoid Valve (Chrysler) 
P1482  Catalyst Temperature Sensor Circuit Shorted Low (Chrysler) 
P1483  Engine Cooling System Performance 
P1483  Catalyst Temperature Sensor Circuit Shorted High (Chrysler) 
P1484  Catalytic Converter overheat Detected (Chrysler) 
P1485  Air Injection Solenoid Circuit (Chrysler) 
P1486  Evap Leak Monitor Pinched Hose (Chrysler) 
P1487  Hi Speed Rad Fan CTRL Relay Circuit (Chrysler) 
P1488  Auxiliary 5 Volt Supply Output Too Low (Chrysler) 
P1489  High Speed Fan CTRL Relay Circuit (Chrysler) 
P1490  Low Speed Fan CTRL Relay Circuit (Chrysler) 
P1491  Rad Fan Control Relay Circuit (Chrysler) 
P1491  Malfunction In EGR System (Acura) 
P1492  Ambient/Batt Temp Sen Volts Too High (Chrysler) 
P1493  Ambient/Batt Temp Sen Volts Too Low (Chrysler) 
P1494  Leak Detection Pump Switch or Mechanical Fault (Chrysler) 
P1495  Leak Detection Pump Solenoid Circuit (Chrysler) 
P1496  5 Volt Supply Output Too Low (Chrysler) 
P1498  High speed Rad Fan Ground CTRL Rly Circuit (Chrysler) 
P1498  Voltage Problem In EGR Valve Position Sensor Circuit (Acura)