The stored code identifies a fault of the Position signal fault in the gear selection actuator. Documented for the Automated manual gearbox electric control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.
TuningBot DTC Database · v4.37.14
P159A PSA - Position signal fault in the gear selection actuator
Manufacturer-specific interpretation for PSA. All interpretations of P159A
What P159A means
Related and nearby codes
How to read P159A
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P159A
What does P159A mean?
Position signal fault in the gear selection actuator. The stored code identifies a fault of the Position signal fault in the gear selection actuator. Documented for the Automated manual gearbox electric control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.
Is P159A generic or manufacturer-specific?
P159A is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Can TuningBot remove P159A at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
