Particle filter additive system : Adding additive impossible, or an incorrect signal from the additive level sensor
PSA · emissions
Data confidence72%
The control module detected an internal control-unit fault (Adding additive impossible, or an incorrect signal from the additive level sensor). 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.
Control of the additive pump by wire : Open circuit
PSA · engine
Data confidence72%
The control module detected an interruption (open circuit) in the Control of the additive pump by wire circuit. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Wired additive pump : Open circuit
PSA · engine
Data confidence72%
The control module detected an interruption (open circuit) in the Wired additive pump circuit. Documented for the Delphi DCM 3.5 injection ECU (DW10C 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.
442
Specific fault index within the subsystem.
Frequently asked questions about P1442
What does P1442 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected an internal control-unit fault (Adding additive impossible, or an incorrect signal from the additive level sensor). 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 P1442 generic or manufacturer-specific?
P1442 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 P1442 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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