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Powertrain code references — Page 49.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Volkswagen
P1396

Engine Speed Sensor Missing Tooth

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BMW
P1397

Camshaft Position Sensor B Circuit Bank 1

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Buick / Cadillac +5
P1397

Wheel Speed Sensor 2, G-Sensor Circuit Low Voltage

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Ford / Lincoln +1
P1397

System Voltage Out Of Self Test Range

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Jaguar
P1397

Jaguar AJ26 B-bank VVT open-circuit classification

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Volkswagen
P1397

Engine Speed Wheel Adaptation At Limit

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Buick / Cadillac +5
P1398

Wheel Speed Sensor 2, G-Sensor Circuit High Voltage

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Jaguar
P1398

Jaguar AJ26 B-bank VVT short-circuit fault

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Dodge / Jeep +2
P1398

PCM Is Unable To Learn The Crankshaft Position Sensor's Signal

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Volkswagen
P1398

Engine RPM Signal Short To Ground

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Buick / Cadillac +5
P1399

Wheel Speed Sensor 2, G-Sensor Circuit Intermittent

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Ford / Lincoln +1
P1399

Glow Plug Circuit High Side High Input

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Dodge / Jeep +2
P1399

Wait To Start Lamp Circuit Open Or Shorted

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Volkswagen
P1399

Engine RPM Signal Short To B+

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BMW
P1400

Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1

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Ford / Lincoln +1
P1400

Ford EGR differential-pressure signal is too low

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Jaguar
P1400

Exhaust Gas Recirculation Valve Postion Control

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Lexus
P1400

Sub-TP Sensor Malfunction

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Mazda
P1400

DPFE Sensor Circuit Low Input

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Mitsubishi
P1400

Manifold Differential Pressure Sensor Circuit

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Nissan
P1400

EGRC Solenoid Valve

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Subaru
P1400

Fuel Tank Pressure Control Solenoid Low Input

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Toyota
P1400

Sub-Throttle Position Sensor

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Volkswagen
P1400

EGR Valve Circuit Electrical Malfunction

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BMW
P1401

Heated Catalyst Current Too High During Heating Bank 1

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Ford / Lincoln +1
P1401

Ford EGR differential-pressure input exceeds its voltage limit

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Jaguar
P1401

Exhaust Gas Recirculation Valve Postion Circuit

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Kia
P1401

EGR Control Solenoid Circuit Signal Low

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Lexus
P1401

EGR Valve Position Sensor Circuit Malfunction

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Mazda
P1401

DPFE Sensor Circuit High Input

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Mercedes-Benz
P1401

EGR Lifting Sender B283

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Nissan
P1401

EGR Temperature Sensor

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Subaru
P1401

Fuel Tank Pressure Control System Performance

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Toyota
P1401

Sub-Throttle Position Sensor Range Performance Problem

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Volkswagen
P1401

EGR Valve Power Stage Short To Ground

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BMW
P1402

Heated Catalyst Power Switch Overtemperature Condition Bank 1

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Ford / Lincoln +1
P1402

EGR Metering Orifice Restricted

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Kia
P1402

EGR Control Solenoid Circuit Signal High

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Mazda
P1402

EGR Valve Position Sensor Circuit

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Nissan
P1402

Altima EGR flow is detected when no flow is requested

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Subaru
P1402

Fuel Level Pressure Sensor Circuit Fault

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Volkswagen
P1402

EGR Valve Circuit Short To B+

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BMW
P1403

Carbon Canister Shut Off Valve Control Circuit Electrical

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Buick / Cadillac +5
P1403

Exhaust Gas Recirculation System Valve 1

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Ford / Lincoln +1
P1403

Differential Pressure Feedback Electronic Sensor Hoses Reversed

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Dodge / Jeep +2
P1403

Loss Of 5 Volts To EGR Sensor

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Volkswagen
P1403

EGR regulation deviation and the value of an output test

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BMW
P1404

Heated Catalyst Current Too High During Heating Bank 2

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Buick / Cadillac +7
P1404

EGR pintle remains above its learned closed position

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Mercedes-Benz
P1404

EGR Control

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Volkswagen
P1404

EGR Flow Adaptation Not Carried Out

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BMW
P1405

Heated Catalyst Power Switch Overtemperature Condition Bank 2

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Buick / Cadillac +7
P1405

Exhaust Gas Recirculation System Valve 3

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Ford / Lincoln +1
P1405

Ford EGR feedback suggests an upstream hose problem

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Mazda
P1405

DPFE Sensor Upstream Hose Off Or Plugged

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Toyota
P1405

Turbo Pressure Sensor Circuit

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BMW
P1406

Heated Catalyst Internal Control Module Checksum ROM Error

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Buick / Cadillac +7
P1406

EGR Valve Pintle Position Circuit

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Ford / Lincoln +1
P1406

Ford EGR feedback still indicates flow after the valve closes

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Mazda
P1406

DPFE Sensor Downstream Hose Off Or Plugged

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Toyota
P1406

Turbo Pressure Sensor Range Performance Problem

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Volkswagen
P1406

EGR Temperature Sensor Range Performance

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Buick / Cadillac +7
P1407

EGR Air Intrusion In Exhaust Supply To EGR Valve

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Ford / Lincoln +1
P1407

EGR No Flow Detected

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Mazda
P1407

No EGR Flow Detected

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Volkswagen
P1407

EGR Temperature Sensor Signal Too Low

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Buick / Cadillac +7
P1408

Intake Manifold Pressure Sensor Circuit

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Ford / Lincoln +1
P1408

Ford EGR flow is too low during the engine-running self-test

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Geo
P1408

MAP Sensor Circuit

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Jaguar
P1408

Exhaust Gas Recirculation Thermister

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Mazda
P1408

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

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Suzuki
P1408

Maniforld Differential Pressure Sensor Circuit Fault

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Volkswagen
P1408

EGR Temperature Sensor Signal Too High

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Buick / Cadillac +7
P1409

EGR Vacuum System Leak

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Ford / Lincoln
P1409

Ford EGR vacuum-regulator solenoid circuit is outside its expected range

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Jaguar
P1409

Exhaust Gas Recirculation Valve Circuit

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Mazda
P1409

EGR Vacuum Regulator Solenoid Circuit

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Volkswagen
P1409

Tank Ventilation Valve Electrical Malfunction

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Buick / Cadillac +7
P1410

Fuel Tank Pressure System

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Ford / Lincoln +1
P1410

EGR Barometric Pressure Sensor VREF Voltage

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Geo
P1410

Fuel Tank Pressure System Fault

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Kia
P1410

EVAP Purge Control Solenoid Circuit High Voltage

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Mazda
P1410

EGR Boost Solenoid Valve Stuck

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Suzuki
P1410

Fuel Tank Pressure Control Solenoid Circuit Fault

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Lexus / Toyota
P1410

EGR Valve Position Sensor Circuit Malfunction

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Volkswagen
P1410

The N80 purge-valve circuit is shorted toward supply

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Ford / Lincoln +1
P1411

Ford secondary-air delivery does not produce the expected exhaust response

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Lexus
P1411

EGR Valve Position Sensor Circuit Range Performance Malfunction

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Toyota
P1411

EGR Valve Position Sensor Circuit Range Performance

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Volkswagen
P1411

Secondary Air Injection System Bank 2 Flow Too Lean

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Kia
P1412

EGR Differential Pressure Sensor Signal Low

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Mazda
P1412

Exhaust Gas Recirculation Valve Frozen

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Volkswagen
P1412

EGR Differential Pressure Sensor Signal Too Low

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BMW
P1413

Secondary Air Injection Pump Relay Control Circuit Signal Low

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Ford / Lincoln +1
P1413

Ford secondary-air feedback stays low when the pump is commanded on

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Kia
P1413

EGR Differential Pressure Sensor Signal High

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Volkswagen
P1413

EGR Differential Pressure Sensor Signal Too High

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BMW
P1414

Secondary Air Injection System Monitor Circuit High

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Ford / Lincoln +1
P1414

Ford secondary-air feedback stays high when the pump is commanded off

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Volkswagen
P1414

Secondary Air Injection System Bank 2 Leak Detected

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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.