The control module detected that the Supply of the rail pressure sensor, the flowmeter and the EGR valve copy was below its expected limit. Documented for the Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
TuningBot DTC Database · v4.37.15
P1586 PSA - Diagnostic Trouble Code (4 interpretations)
Manufacturer-specific interpretation for PSA. All interpretations of P1586
What P1586 means
The control module detected a short circuit to ground in the Fuel high pressure sensor supply (5V) fault circuit. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The control module detected a short circuit to ground in the Sensors 5 volts supply fault circuit. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The control module detected a short circuit to ground in the Gearbox actuator position sensors supply fault circuit. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Related and nearby codes
How to read P1586
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 P1586
What does P1586 mean?
Diagnostic Trouble Code (4 interpretations). The control module detected that the Supply of the rail pressure sensor, the flowmeter and the EGR valve copy was below its expected limit. Documented for the Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Is P1586 generic or manufacturer-specific?
P1586 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 P1586 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.
Other file services
Understand the system behind this code: EGR System
