THE CODE DIRECTORY

Diagnostic code references — Page 60.

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

Subaru

P1518

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.

Starter Switch Circuit Low Input

Main Relay Circuit Short To B+

A Camshaft Position Actuator Bank 1

Electronic Throttle Module Low Volts Communication Disable

IAC Valve Circuit Failure

Intake Camshaft Control Bank 1 Malfunction

B Camshaft Position Actuator Bank 1

Gear Indicator System

Stop Lamp Switch Circuit

Stop Lamp Switch Malfunction

Cruise Control Switch S40

Radiator Fan Relay 1 Circuit High Input

Stop Lamp Switch Signal Malfunction

Intake Manifold Changeover Valve 2 Circuit Open

Transmission Engaged At High Throttle Angle

Intake Manifold Changeover Valve 2 Circuit Electrical Malfunction

A Camshaft Position Actuator Bank 2

Park/Neutral To Drive/Reverse At High RPM

Intake Camshaft Control Bank 2 Malfunction

A Camshaft Position Actuator Signal Low Bank 1

Electronic Throttle Control Throttle Return

VICS Solenoid Valve

Crash Signal From Airbag Control Unit Range Performance

A Camshaft Position Actuator Signal High Bank 1

TP Sensor Learned CI Throttle Angle Out Of Range

A Camshaft Position Actuator Control Open Circuit Bank 1

Throttle Body Service Required

Intake Camshaft Control Circuit Bank 1 Electrical Malfunction

A Camshaft Position Actuator Control Open Circuit Bank 2

TP Sensor Learn Not Complete

Intake Camshaft Control Circuit Bank 1 Short To B+

A Camshaft Position Actuator Control Circuit Signal Low Bank 1

Transmission Range/Pressure Switch Comparison

Intake Camshaft Control Circuit Bank 1 Short To Ground

A Camshaft Position Actuator Control Circuit Signal High Bank 1

Intake Camshaft Control Circuit Bank 1 Open

B Camshaft Position Actuator Control Circuit Signal Low Bank 1

Heated Windshield Request Problem

Intake Camshaft Control Circuit Short To B+

B Camshaft Position Actuator Control Circuit Signal High Bank 1

Ignition Timing Adjustment Switch Circuit

Open or Short to A/C Compressor Clutch Circuit

Ignition Timing Adjustment Switch Circuit Fault

Intake Camshaft Control Circuit Short To Ground

B Camshaft Position Actuator Control Open Circuit Bank 1

A/C Low Side Temperature Sensor Fault

Invalid Test Accelerator Pedal Movement

A/C Low Side Temerature Sensor Fault

Intake Camshaft Control Circuit Open

B Camshaft Position Actuator Control Open Circuit Bank 2

A/C Evaporator Temperature Sensor Circuit Low Voltage

IMCC Circuit Malfunction Bank B

B Camshaft Position Actuator Control Circuit Signal Low Bank 2

A/C Evaporator Temperature Sensor Circuit High Voltage

AAI Circuit Malfunction

Intake Camshaft Control Circuit Bank 2 Electrical Malfunction

B Camshaft Position Actuator Control Circuit Signal High Bank 2

A/C High Side Temerature Sensor Low Voltage

A/C High Side Temperature Sensor Low Voltage

Inertia Switch Activated

Restraint Deployment Indicator Circuit

Intake Camshaft Control Circuit Bank 2 Short To B+

A/C High Side Temperature Sensor Circuit

Intake Camshaft Control Circuit Bank 2 Short To Ground

A/C System ECT Overtemperature

Parking Brake Switch Circuit Failure

Intake Camshaft Control Circuit Bank 2 Open

A/C Request Circuit Low Voltage

Intake Manifold Runner Control Stuck Open

Engine Shutoff Solenoid Malfunction

A/C Request Circuit High Voltage

Intake Manifold Runner Control Stuck Open

Engine Shutoff Solenoid Open Short To Ground

Air Conditioning (A/C) Clutch Feedback Circuit High Voltage

Power to A/C Compressor Clutch Circuit Exceeded Normal Current Draw

Clutch Pedal Switch Signal Fault

Pedal Position Sensor

A/C System High Pressure

Vehicle Speed Sensor Malfunction

Vehicle Speed Sensor High Input