Accelerator pedal point of resistance sensor information : Short circuit to positive
PSA · engine
Data confidence72%
The control module detected a short circuit to battery voltage in the Accelerator pedal point of resistance sensor information circuit. 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.
Accelerator pedal hard point switch signal : Short circuit to positive or open circuit
PSA · engine
Data confidence72%
The control module detected a short circuit to battery voltage in the Accelerator pedal hard point switch signal circuit. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Accelerator pedal point of resistance information fault : Short circuit to positive
PSA · engine
Data confidence72%
The control module detected a short circuit to battery voltage in the Accelerator pedal point of resistance information fault circuit. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
644
Specific fault index within the subsystem.
Frequently asked questions about P1644
What does P1644 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected a short circuit to battery voltage in the Accelerator pedal point of resistance sensor information circuit. 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 P1644 generic or manufacturer-specific?
P1644 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 P1644 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.
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