Page 705 - Workshop Manual - Tunland (2017)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-19

DTC LIST 04

CAUTION
When checking DTC in the checking model, if certain DTC is displayed, then the circuit
of the code listed in the following list should be checked.The detailed description of
each DTC can refer to corresponding pages.

Failure code Diagnostic items (DTC definition) Trouble location

Anti lock braking (ABS) enabled -
P4215 • ECM
conditions exist
Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
tion catalyst temperature sensor
P4253 sensor module and its harness
module - intelligent devices or com- • ECM
ponents fault
Postprocessing preheat diesel oxida- • Battery
tion converter temperature sensor • Postprocessing DOC temperature
P4254
module - voltage is above normal or sensor module and its harness
shorted to high voltage power supply • ECM

Postprocessing preheat diesel oxida- • Battery
tion converter temperature sensor • Postprocessing DOC temperature
P4255
module - voltage is below normal or sensor module and its harness
shorted to low voltage power supply • ECM

Postprocessing preheat diesel oxida-
tion converter temperature sensor • Postprocessing DOC temperature
P4256 module - data is valid but above nor- sensor module and its harness
mal operating range - lowest severity • ECM
level

Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
P4257 tion converter temperature sensor sensor module and its harness
module - Abnormal updating rate • ECM

Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
P4258 tion converter temperature sensor sensor module and its harness
module - Unknown root cause • ECM

Postprocessing diesel particulate fil- • Postprocessing DOC temperature
P4259 ter temperature sensor module - Un- sensor module and its harness
known root cause • ECM

Variable geometry turbocharger actu- • Turbocharger actuator
P4956
ator software - beyond calibration • ECM

Variable geometry turbocharger actu- • Turbocharger actuator
P4957
ator software - problems exist • ECM