Emissions / AuxiliaryLow ImpactPetrol

P0455 — Diagnostic Trouble Code P0455

OBD-II diagnostic code P0455 relates to the emissions / auxiliary system. This code is logged when the ECU detects a parameter outside its expected operating range.

7+

Affected Brands

10+

ECU Platforms

1

Related Services

2

Related DTCs

Symptoms

What the driver typically experiences when P0455 is stored

!Check Engine Light
iFailed emissions test
iNo major drivability impact

Why does P0455 appear after tuning?

This code may appear after ECU modifications when the affected system monitoring has not been fully recalibrated for the new operating parameters.

How proper calibration can address P0455

WEREMAP professional calibrations include comprehensive diagnostic management for all affected systems, preventing unnecessary fault codes while maintaining safe operation.

Related Tuning Services

Relevant services for the system behind P0455

DTC Off

Related Diagnostic Codes

Codes from the same diagnostic system as P0455

P0456Low Impact

Diagnostic Trouble Code P0456

P0441Low Impact

Diagnostic Trouble Code P0441

Affected ECU Platforms

Delco E80Siemens/Continental SIM2K-260Siemens/Continental GPEC2ADenso GEN 2Bosch MEVD17.2.HSiemens/Continental SDI8Siemens/Continental SDI7Siemens/Continental SDI4Bosch MED9.1.1Bosch ME7.8

Commonly Affected Vehicles

ChevroletCOLORADODelco E80
KiaStingerSiemens/Continental SIM2K-260
JeepGrand CherokeeSiemens/Continental GPEC2A
LexusNX T20Denso GEN 2
BMW7 Serie - SedanBosch MEVD17.2.H
PorschePanameraSiemens/Continental SDI8
PorscheCayenneSiemens/Continental SDI4
AudiS6Bosch MED9.1.1

Based on data from 7+ vehicle brands. P0455 is not limited to these models.

Frequently Asked Questions

What does P0455 mean?â–¼
OBD-II diagnostic code P0455 relates to the emissions / auxiliary system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P0455 appear after ECU tuning?â–¼
This code may appear after ECU modifications when the affected system monitoring has not been fully recalibrated for the new operating parameters.
How do you prevent P0455 during remapping?â–¼
WEREMAP professional calibrations include comprehensive diagnostic management for all affected systems, preventing unnecessary fault codes while maintaining safe operation.
Which vehicles are affected by P0455?â–¼
P0455 is commonly found on Chevrolet, Kia, Jeep, Lexus, BMW, Porsche vehicles equipped with Delco E80, Siemens/Continental SIM2K-260, Siemens/Continental GPEC2A, Denso GEN 2 ECU platforms.
What other codes appear alongside P0455?â–¼
P0455 frequently appears together with P0456, P0441. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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