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DIAGNOSTIC TROUBLE CODES (DTC)
E-VES DIAGNOSTIC TROUBLE CODES (DTCS)
SPN = SUSPECT PARAMETER NUMBER / FMI = FAILURE MODE INDICATOR
P-CODE
SPN
P1403
P1404
P1405
P1406
5203-
35
P1407
212
DESCRIP-
FMI
TION
12
Hardware fault
Position not
7
achieved
PWM set
2
missing
Feedback
3
position short
to +12V
Feedback
position circuit
5
open /
grounded
LIKELY CAUSE
(S)
RESPONSE
Actuator position
sensor failed
Voltage too high
during EV learn
Actuator does
not reach
commanded
state
according to
actual valve
Will also trigger
one of the
following:
P140A / B / C
Command wire
(Dark Blue /
White) to
allowed, Fuel
actuator open
according to
circuit
Command wire
When signal
(Dark Blue /
White) short to
actuator will
GND
Feedback
position (Dark
Blue / Yellow on
harness, Grey on
signal converter)
short to +12V
ECU will force
Actuator power
(Red / Black)
state and fuel
removed
accordingly
Feedback
position (Dark
Blue/Yellow on
harness, Grey on
signal converter)
short to GND
PRIMARY
ECU
COURSE OF
ACTION
Perform cable
measurement test
per service manual
Remove and
inspect the valve
assembly for
causes for too little
or too much travel.
Replace EV
Actuator
Fuel
See actions for
P140A / B / C
position
All valve
positions
actual
position,
is returned,
Inspect signal
converter wiring for
re-initialize
chaffing or broken
Ensure no loose
pins on converter
connector
Replace signal
converter if no wire
to DOWN
/ connector issues
are found
wires
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