Gear Indicator System
Chrysler · engine
Data confidence62%
The control module detected a fault associated with the Gear Indicator System circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Recommended checks
Perform a full module scan
Review freeze-frame and occurrence data
Confirm the exact vehicle, ECU and software context
Intake Manifold Runner Control Circuit Fault
Ford · engine
Data confidence80%
The control module registered the fault condition described as "Intake Manifold Runner Control Circuit Fault". This is the manufacturer-specific definition used by Ford.
Intake manifold air control system - circuit malfunction
Land Rover · engine
Data confidence62%
The control module detected improper operation of the Intake manifold air control system circuit. This is the manufacturer-specific definition used by Land Rover.
Cruise Control Switch S40
Mercedes-Benz · driver_assistance
Data confidence62%
The control module detected a fault associated with the Cruise Control Switch S40 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.
Camshaft Position Actuator 'B' Bank 1
MINI · engine
Data confidence62%
The control module detected a fault associated with the Camshaft Position Actuator 'B' Bank 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.
Electronic throttle system (ETS) - supply voltage
Opel · battery
Data confidence62%
The control module detected a fault associated with the Electronic throttle system (ETS) - supply voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Opel.
Intake manifold air control solenoid 2 - open circuit
VAG · engine
Data confidence62%
The control module detected an interruption (open circuit) in the Intake manifold air control solenoid 2 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.
Possible causes
Wiring open circuit
intake manifold air control solenoid
Applies toAudi
P1520
Intake manifold air control solenoid 2 - open circuit
VAG · engine
Data confidence80%
The control module detected an interruption (open circuit) in the Intake manifold air control solenoid 2 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.
Accelerator pedal position (APP) sensor - implausible signal
Volvo · engine
Data confidence62%
The control module judged the Accelerator pedal position (APP) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volvo.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
520
Specific fault index within the subsystem.
Frequently asked questions about P1520
What does P1520 mean?
Diagnostic Trouble Code (13 interpretations). The control module detected a fault associated with the Gear Indicator System circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Is P1520 generic or manufacturer-specific?
P1520 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Ford, Land Rover, Lexus, Mazda, Mercedes-Benz, MINI, Opel, Toyota, VAG, Volvo. The same number can mean something different on other brands.
Can TuningBot remove P1520 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.