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)
P1229
Supercharger Intercooler Pump Not Working (Ford)
P1232
Low Speed Fuel Pump Primary Circuit Malfunction (Ford)
P1233
Fuel System Disabled Or Offline (Ford)
P1234
Fuel System Disabled Or Offline (Ford)
P1235
Fuel Pump Control Out Of Range (Ford)
P1236
Fuel Pump Control Out Of Range (Ford)
P1237
Fuel Pump Secondary Circuit Malfunction (Ford)
P1238
Fuel Pump Secondary Circuit Malfunction (Ford)
P1244
Generator Load Low (Ford)
P1245
Generator Load Input High (Ford)
P1246
Generator Load Input Failed (Ford)
P1258
Engine Metal Over Temperature Protection
P1259
VTEC System Malfunction (Acura)
P1260
Fuel Pump Speed Relay Control Circuit (GM)
P1260
Theft Detected – Engine Disabled (Mazda)
P1260
Theft Detected – Engine Disabled (Ford)
P1270
Vehicle Speed Limiter Reached (Mazda)
P1270
Vehicle Speed Limiter Reached (Ford)
P1281
Engine Is Cold Too Long (Chrysler)
P1282
Fuel Pump Relay Control Circuit(Chrysler)
P1285
Cylinder Head Over Temperature Sensed (Ford)
P1288
Intake Manifold Short Runner Solenoid Circuit (Chrysler)
P1290
CHT Sensor Out Of Range (Ford)
P1289
Manifold Tune Valve Solenoid Circuit (Chrysler)
P1289
CHT Sensor High Input (Ford)
P1290
CNG Fuel Pressure Too High (Chrysler)
P1290
CHT Sensor Low Input (Ford)
P1291
No Temp Rise Seen From Fuel Heaters (Chrysler)
P1292
CNG Pressure Sensor Voltage Too High (Chrysler)
P1293
CNG Pressure Sensor Voltage Too Low (Chrysler)
P1294
Target Idle Not Reached (Chrysler)
P1295
No 5 Volts To TP Sensor (Chrysler)
P1296
No 5 Volts To MAP Sensor (Chrysler)
P1297
No Change in MAB From Start To Run (Chrysler)
P1297
Low Voltage ELD Circuit (Acura)
P1298
High Voltage In ELD Circuit (Acura)
P1298
Lean Operation At wide Open Throttle (Chrysler)
P1299
Vacuum Leak Found (IAC Fully Seated)(Chrysler)
P1299
Cylinder Head Over Temperature Protection Active (Ford)
Downstream O2 Sensors Swapped Bank To Bank
Description:
How does a P0041 code trigger the check engine light? This code will trigger the light to come on under the following condition:
The Heated Oxygen Sensor Monitor, a strategy built into the computer, determines if the Heated Oxygen Sensor (HO2S) signal response for a change in fuel trim corresponds to the correct engine bank. If a response from the Oxygen Sensor being tested is not indicated, a trouble code will be set and the MIL (Malfunction Indicator Lamp) will illuminate.
Possible Causes:
Crossed Heated Oxygen Sensor harness connectors
Wiring swapped from one Oxygen Sensor connector to the other
Wiring changed at the computer connection or in the related harness
Diagnostic Help:
This check engine light code is caused by swapped wiring or connectors of the downstream Heated Oxygen Sensors. This would have to be the result of a previous repair, so be sure to check the vehicle history. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
Downstream O2 Sensors Swapped Bank To Bank
Description:
How does a P0041 code trigger the check engine light? This code will trigger the light to come on under the following condition:
The Heated Oxygen Sensor Monitor, a strategy built into the computer, determines if the Heated Oxygen Sensor (HO2S) signal response for a change in fuel trim corresponds to the correct engine bank. If a response from the Oxygen Sensor being tested is not indicated, a trouble code will be set and the MIL (Malfunction Indicator Lamp) will illuminate.
Possible Causes:
Crossed Heated Oxygen Sensor harness connectors
Wiring swapped from one Oxygen Sensor connector to the other
Wiring changed at the computer connection or in the related harness
Diagnostic Help:
This check engine light code is caused by swapped wiring or connectors of the downstream Heated Oxygen Sensors. This would have to be the result of a previous repair, so be sure to check the vehicle history. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
Upstream O2 Sensors Swapped Bank To Bank
Description:
How does a P0040 code trigger the check engine light? This code will trigger the light to come on under the following condition:
The Heated Oxygen Sensor Monitor, a strategy built into the computer, determines if the Heated Oxygen Sensor (HO2S) signal response for a change in fuel trim corresponds to the correct engine bank. If a response from the Oxygen Sensor being tested is not indicated, a trouble code will be set and the MIL (Malfunction Indicator Lamp) will illuminate.
Possible Causes:
Crossed Heated Oxygen Sensor harness connectors
Wiring swapped from one Oxygen Sensor connector to the other
Wiring changed at the computer connection or in the related harness
Diagnostic Help:
This check engine light code is caused by swapped wiring or connectors of the upstream Heated Oxygen Sensors. This would have to be the result of a previous repair, so be sure to check the vehicle history. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
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