Page 706 - Workshop Manual - Tunland (2017)

04-20 DIAGNOSTICS - ENGINE CONTROL SYSTEM

04
Failure code Diagnostic items (DTC definition) Trouble location
Variable geometry turbocharger actu-
• Turbocharger actuator
P5177 ator software - abnormal updating
• ECM
rate
• Battery
Postprocessing diesel particulate fil- • Postprocessing DPF temperature
ter temperature sensor module - sensor module
P4161
voltage is higher than normal or short • Postprocessing DPF temperature
circuit to high voltage power supply sensor and its harness
• ECM
• Battery

Postprocessing diesel particulate fil- • Postprocessing DPF temperature
ter temperature sensor module - sensor module
P4162
voltage is lower than normal or short • Postprocessing DPF temperature
circuit to low voltage power supply sensor and its harness
• ECM

• Postprocessing DPF temperature
Postprocessing diesel particulate fil-
sensor module
ter temperature sensor module Data
P4163 • Postprocessing DPF temperature
is valid but above normal operating
sensor and its harness
range - medium severity level
• ECM
An internal error occurred in the en-
P111 gine control module - the malfunction • ECM
of the intelligent device or component
• Wire harness connection of

Engine magnetic speed / position lost crankshaft position sensor and
P115 two signals - The data is unstable, camshaft position sensor is re-
intermittent, or incorrect versed.
• ECM

• Atmospheric pressure sensor
• Open circuit in harness, connector
Atmospheric pressure sensor circuit
or sensor circuit
P221 - voltage is above normal or shorted
• The signal circuit is short to the
to high voltage power supply
sensor power or battery voltage
• ECM