Camshaft position (CMP) sensor, Bank 1 - open circuit/short to positive
VAG · engine
Data confidence62%
The control module detected an interruption (open circuit) in the Camshaft position (CMP) sensor, Bank 1 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.
Possible causes
Wiring open circuit/short to positive
CMP sensor
Applies toAudi
P1338
Camshaft Position Sensor (G40)
VAG · engine
Data confidence80%
The control module detected a fault associated with the Camshaft Position Sensor (G40) circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17746. Documented stored variants include: Open or Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Symptoms
Malfunction Indicator Lamp (MIL) active
Possible causes
Camshaft Position Sensor (G40) faulty
Wiring/Connectors from/to Camshaft Position Sensor (G40) faulty
Recommended checks
Check Camshaft Adjustment
Check Camshaft Position Sensor (G40)
Check Wiring/Connectors from/to Camshaft Position Sensor (G40)
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
338
Specific fault index within the subsystem.
Frequently asked questions about P1338
What does P1338 mean?
Diagnostic Trouble Code (2 interpretations). The control module detected an interruption (open circuit) in the Camshaft position (CMP) sensor, Bank 1 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.
Is P1338 generic or manufacturer-specific?
P1338 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
Can TuningBot remove P1338 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.