errhive/carsFind a code

THE CODE DIRECTORY

Diagnostic code references — Page 56.

Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.

11,786 code references

Toyota
P1401

Sub-Throttle Position Sensor Range Performance Problem

PowertrainRead the code
Volkswagen
P1401

EGR Valve Power Stage Short To Ground

PowertrainRead the code
BMW
P1402

Heated Catalyst Power Switch Overtemperature Condition Bank 1

PowertrainRead the code
Ford / Lincoln +1
P1402

EGR Metering Orifice Restricted

PowertrainRead the code
Kia
P1402

EGR Control Solenoid Circuit Signal High

PowertrainRead the code
Mazda
P1402

EGR Valve Position Sensor Circuit

PowertrainRead the code
Nissan
P1402

EGR System

PowertrainRead the code
Subaru
P1402

Fuel Level Pressure Sensor Circuit Fault

PowertrainRead the code
Volkswagen
P1402

EGR Valve Circuit Short To B+

PowertrainRead the code
BMW
P1403

Carbon Canister Shut Off Valve Control Circuit Electrical

PowertrainRead the code
Buick / Cadillac +5
P1403

Exhaust Gas Recirculation System Valve 1

PowertrainRead the code
Ford / Lincoln +1
P1403

Differential Pressure Feedback Electronic Sensor Hoses Reversed

PowertrainRead the code
Dodge / Jeep +2
P1403

Loss Of 5 Volts To EGR Sensor

PowertrainRead the code
Volkswagen
P1403

EGR Flow Deviation

PowertrainRead the code
BMW
P1404

Heated Catalyst Current Too High During Heating Bank 2

PowertrainRead the code
Buick / Cadillac +7
P1404

Exhaust Gas Recirculation System Valve 2

PowertrainRead the code
Mercedes-Benz
P1404

EGR Control

PowertrainRead the code
Volkswagen
P1404

EGR Flow Adaptation Not Carried Out

PowertrainRead the code
BMW
P1405

Heated Catalyst Power Switch Overtemperature Condition Bank 2

PowertrainRead the code
Buick / Cadillac +7
P1405

Exhaust Gas Recirculation System Valve 3

PowertrainRead the code
Ford / Lincoln +1
P1405

Differential Pressure Feedback Electronic Sensor Circuit Upstream Hose

PowertrainRead the code
Mazda
P1405

DPFE Sensor Upstream Hose Off Or Plugged

PowertrainRead the code
Toyota
P1405

Turbo Pressure Sensor Circuit

PowertrainRead the code
BMW
P1406

Heated Catalyst Internal Control Module Checksum ROM Error

PowertrainRead the code
Buick / Cadillac +7
P1406

EGR Valve Pintle Position Circuit

PowertrainRead the code
Ford / Lincoln +1
P1406

Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose

PowertrainRead the code
Mazda
P1406

DPFE Sensor Downstream Hose Off Or Plugged

PowertrainRead the code
Toyota
P1406

Turbo Pressure Sensor Range Performance Problem

PowertrainRead the code
Volkswagen
P1406

EGR Temperature Sensor Range Performance

PowertrainRead the code
Buick / Cadillac +7
P1407

EGR Air Intrusion In Exhaust Supply To EGR Valve

PowertrainRead the code
Ford / Lincoln +1
P1407

EGR No Flow Detected

PowertrainRead the code
Mazda
P1407

No EGR Flow Detected

PowertrainRead the code
Volkswagen
P1407

EGR Temperature Sensor Signal Too Low

PowertrainRead the code
Buick / Cadillac +7
P1408

Intake Manifold Pressure Sensor Circuit

PowertrainRead the code
Ford / Lincoln +1
P1408

EGR Flow Out of Self-Test Range

PowertrainRead the code
Geo
P1408

MAP Sensor Circuit

PowertrainRead the code
Jaguar
P1408

Exhaust Gas Recirculation Thermister

PowertrainRead the code
Mazda
P1408

EGR System Flow Out Of Key On Engine Running Self Test Range

PowertrainRead the code
Suzuki
P1408

Maniforld Differential Pressure Sensor Circuit Fault

PowertrainRead the code
Volkswagen
P1408

EGR Temperature Sensor Signal Too High

PowertrainRead the code
Buick / Cadillac +7
P1409

EGR Vacuum System Leak

PowertrainRead the code
Ford / Lincoln
P1409

EGR Vacuum Regulator Circuit Malfunction

PowertrainRead the code
Jaguar
P1409

Exhaust Gas Recirculation Valve Circuit

PowertrainRead the code
Mazda
P1409

EGR Vacuum Regulator Solenoid Circuit

PowertrainRead the code
Volkswagen
P1409

Tank Ventilation Valve Electrical Malfunction

PowertrainRead the code
Buick / Cadillac +7
P1410

Fuel Tank Pressure System

PowertrainRead the code
Ford / Lincoln +1
P1410

EGR Barometric Pressure Sensor VREF Voltage

PowertrainRead the code
Geo
P1410

Fuel Tank Pressure System Fault

PowertrainRead the code
Kia
P1410

EVAP Purge Control Solenoid Circuit High Voltage

PowertrainRead the code
Mazda
P1410

EGR Boost Solenoid Valve Stuck

PowertrainRead the code
Suzuki
P1410

Fuel Tank Pressure Control Solenoid Circuit Fault

PowertrainRead the code
Lexus / Toyota
P1410

EGR Valve Position Sensor Circuit Malfunction

PowertrainRead the code
Volkswagen
P1410

Tank Ventilation Valve Circuit Short To B+

PowertrainRead the code
Ford / Lincoln +1
P1411

Secondary Air is Not Being Diverted

PowertrainRead the code
Lexus
P1411

EGR Valve Position Sensor Circuit Range Performance Malfunction

PowertrainRead the code
Toyota
P1411

EGR Valve Position Sensor Circuit Range Performance

PowertrainRead the code
Volkswagen
P1411

Secondary Air Injection System Bank 2 Flow Too Lean

PowertrainRead the code
Kia
P1412

EGR Differential Pressure Sensor Signal Low

PowertrainRead the code
Mazda
P1412

Exhaust Gas Recirculation Valve Frozen

PowertrainRead the code
Volkswagen
P1412

EGR Differential Pressure Sensor Signal Too Low

PowertrainRead the code
BMW
P1413

Secondary Air Injection Pump Relay Control Circuit Signal Low

PowertrainRead the code
Ford / Lincoln +1
P1413

Secondary Air Injection System Monitor Circuit Low Voltage

PowertrainRead the code
Kia
P1413

EGR Differential Pressure Sensor Signal High

PowertrainRead the code
Volkswagen
P1413

EGR Differential Pressure Sensor Signal Too High

PowertrainRead the code
BMW
P1414

Secondary Air Injection System Monitor Circuit High

PowertrainRead the code
Ford / Lincoln +1
P1414

Secondary Air Injection System Monitor Circuit High Voltage

PowertrainRead the code
Volkswagen
P1414

Secondary Air Injection System Bank 2 Leak Detected

PowertrainRead the code
Buick / Cadillac +7
P1415

Secondary Air Injection (AIR) System

PowertrainRead the code
Mazda
P1415

Air Pump Circuit

PowertrainRead the code
Buick / Cadillac +7
P1416

AIR System Bank 1

PowertrainRead the code
Mazda
P1416

Port Air Circuit

PowertrainRead the code
Mazda
P1417

Port Air Relief Circuit

PowertrainRead the code
Volkswagen
P1417

Fuel Level Sensor Signal Too Low

PowertrainRead the code
Buick / Cadillac +7
P1418

Secondary Air Injection System Relay A Control Circuit High

PowertrainRead the code
Mazda
P1418

Split Air 1 Circuit

PowertrainRead the code
Volkswagen
P1418

Fuel Level Sensor Signal Too High

PowertrainRead the code
Mazda
P1419

Split Air 2 Circuit

PowertrainRead the code
BMW
P1420

Secondary Air Valve Control Circuit Electrical

PowertrainRead the code
Buick / Cadillac +7
P1420

Intake Air Low Pressure Switch Circuit Low Voltage

PowertrainRead the code
Subaru
P1420

Fuel Tank Pressure Control Solenoid High Input

PowertrainRead the code
Volkswagen
P1420

Secondary Air Injection Control Module Electrical Malfunction

PowertrainRead the code
BMW
P1421

Secondary Air System Bank 1

PowertrainRead the code
Buick / Cadillac +7
P1421

Intake Air Low Pressure Switch Circuit High Voltage

PowertrainRead the code
Subaru
P1421

Exhaust Gas Recirculation Circuit High Input

PowertrainRead the code
Volkswagen
P1421

Secondary Air Injection Valve Circuit Short To Ground

PowertrainRead the code
BMW
P1422

Secondary Air System Bank 2

PowertrainRead the code
Subaru
P1422

EVAP Purge Control Solenoid Valve Circuit High Input

PowertrainRead the code
Volkswagen
P1422

Secondary Air Injection Valve Circuit Short To B+

PowertrainRead the code
Buick / Cadillac +7
P1423

Intake Air High Pressure Switch Circuit High Voltage

PowertrainRead the code
Subaru
P1423

EVAP Vent Control High Input

PowertrainRead the code
Volkswagen
P1423

Secondary Air Injection System Bank 1 Flow Too Low

PowertrainRead the code
Volkswagen
P1424

Secondary Air Injection System Bank 1 Leak Detected

PowertrainRead the code
Kia
P1425

EVAP Purge Control Solenoid Circuit Low Voltage

PowertrainRead the code
Volkswagen
P1425

Tank Ventilation Valve Short To Ground

PowertrainRead the code
Volkswagen
P1426

Tank Ventilation Valve Open Circuit

PowertrainRead the code
Buick / Cadillac +7
P1431

Fuel Level Sensor 2 Performance

PowertrainRead the code
Ford / Lincoln +1
P1431

Misfire Monitor Disabled Unable to Learn Trigger Wheel Profile

PowertrainRead the code
BMW
P1432

Secondary Air Injection System Incorrect Flow Detected

PowertrainRead the code
Buick / Cadillac +7
P1432

Fuel Level Sensor 2 Circuit Low Voltage

PowertrainRead the code
Volkswagen
P1432

Secondary Air Injection Valve Open

PowertrainRead the code

These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.