The control module detected the fault condition "Quantity of additive remaining in the tank too great" for the Particle filter additive system. 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
P1445 PSA - Diagnostic Trouble Code (4 interpretations)
Manufacturer-specific interpretation for PSA. All interpretations of P1445
What P1445 means
The control module detected the fault condition "The quantity of additive injected into the FAP has exceeded the maximum" for the Additive adding. 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.
The cited PSA workshop reference documents P1445 as "Additive dosing: The quantity of additive injected into the particulate filter exceeded the maximum threshold; the particulate filter must be changed" 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.
The control module detected the fault condition "Quantity of additive remaining in the tank too great" for the Particle filter additive system. 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.
Related and nearby codes
How to read P1445
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 P1445
What does P1445 mean?
Diagnostic Trouble Code (4 interpretations). The control module detected the fault condition "Quantity of additive remaining in the tank too great" for the Particle filter additive system. 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 P1445 generic or manufacturer-specific?
P1445 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 P1445 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: DPF System
