NHTSA ID Number: 10168599
Manufacturer Communication Number: 2622
TSB/Document Date: 2019-12-02
Summary
Managing DCT gearbox faults
CCP.
P1911
P1912
EVEN clutch (2) pressure sensor or
EVEN clutch solenoid valve
malfunctioning.
CCP.
P1913
P1914
EVEN clutch (2) pressure sensor or
EVEN clutch solenoid valve
malfunctioning.
CCP.
P1915
P191B
Mechanical fault in RODs.
SAP.
P191C
P1922
Mechanical fault in RODs.
SAP.
P1923
P1924
Mechanical fault in RODs.
SAP.
Mechanical fault in RODs.
SAP.
Component
involved
Description of DTC
Fault
APP_CLUTCH_SPEED_EVEN_
CONSISTENCY, no signal (even
clutch overspeed fault)
Clutch fault.
CCP.
Clutch fault.
CCP.
Clutch fault.
CCP.
Clutch fault.
CCP.
Mechanical fault in
RODs.
SAP.
Mechanical fault in
RODs.
SAP.
Mechanical fault in
RODs.
SAP.
Mechanical fault in
RODs.
SAP.
Fault in odd clutch.
CCP.
Fault in odd clutch.
CCP.
APP_CLUTCH_SPEED_EVEN_
CONSISTENCY, invalid signal (even
clutch speed consistency fault)
APP_CLUTCH_SPEED_ODD_
CONSISTENCY, no signal (odd
clutch overspeed fault)
APP_CLUTCH_SPEED_ODD_
CONSISTENCY, invalid signal (odd
clutch speed consistency fault)
APP_ROD_POS_ODD, too high
(position fault, odd shaft rod 1/3)
APP_ROD_POS_ODD, no signal
(position fault, odd shaft rods 1/3
and 5/7)
APP_ROD_POS_EVEN, too high
(position fault, even shaft rod 4/R)
APP_ROD_POS_EVEN, no signal
(position fault, odd shaft rods 2/6
and 4/R)
APP_CLUTCH_SPEED_ODD_CON
SISTENCY, too high
APP_CLUTCH_SPEED_EVEN_CON
SISTENCY, too high
ODD clutch (1) temperature, no
signal (odd shaft temperature too
high)
ODD clutch (1) temperature,
invalid signal (odd shaft radiator
temperature too high)
EVEN clutch (2) temperature, no
signal (even shaft temperature too
high)
Electric fault in ODD
clutch (1) temperature
sensor.
Electric fault in ODD
clutch (1) temperature
sensor.
Electric fault in EVEN
clutch (2) temperature
sensor.
CCP.
CCP.
CCP.
DTC read on
NCR
P1925
P1926
P1927
P1928
P1929
P1928
P1929
P192A
P192B
P192C
P192D
P192E
P192F
Component
involved
Description of DTC
Fault
EVEN clutch (2) temperature,
invalid signal (even shaft radiator
temperature too high)
APP_THERMAL_
PROTECTION_ODD, no signal
APP_THERMAL_
PROTECTION_ODD, invalid signal
(excessively rapid increase in
thermal protection of odd clutch)
APP_THERMAL_
PROTECTION_EVEN, no signal
APP_THERMAL_
PROTECTION_EVEN, invalid signal
(excessively rapid increase in
thermal protection of even clutch)
APP_THERMAL_
PROTECTION_EVEN, no signal
APP_THERMAL_
PROTECTION_EVEN, invalid signal
(excessively rapid increase in
thermal protection of even clutch)
APP_SELECTOR_POS, too high
(gearbox section selector, too high)
APP_SELECTOR_POS, too low
(gearbox section selector, too low)
APP_SYSTEM_PRESSURE, too high
(system pressure command signal
too high)
APP_SYSTEM_PRESSURE, too low
(system pressure command signal
too low)
APP_SYSTEM_PRESSURE, invalid
signal (variation in system pressure
control signal)
APP_EDIFF_PRESSURE_SENSOR_
DRIFT, invalid signal (variation in
ediff pressure sensor signal)
Electric fault in EVEN
clutch (2) temperature
sensor.
CCP.
Fault in odd clutch.
CCP.
Technical Service Department
Page 11 of 18
Fault in odd clutch.
CCP.
Fault in even clutch.
CCP.
Fault in even clutch.
CCP.
Fault in even clutch.
CCP.
Fault in system pressure
solenoid valve.
Speed sensor power feed, too low
(feed voltage for sensors D - Low
Circuit)
P1931
Speed sensor power feed, too high
(feed voltage for sensors D - High
Circuit)
P1932
P1933
P1939
APP_CLUTCH_RSP_ODD, invalid
signal (fault in odd clutch
redundant cut-off valve)
APP_CLUTCH_RSP_EVEN, invalid
signal (fault in even clutch
redundant cut-off valve)
APP_ENGINE_SPEED_CONSISTEN
CY, too low (engine / gearbox
speed consistency fault)
P1950
Ground loop 1 (hydraulic circuit clutch actuators), too high (earth
level for feed line A too low)
P1951
Ground loop 1 (hydraulic circuit clutch actuators), too high (earth
level for feed line A too high)
SAP.
SAP.
CCP.
P1952
Fault in system pressure
solenoid valve.
CCP.
Fault in system pressure
solenoid valve.
CCP.
Electric fault in EDIFF
pressure sensor.
Description of DTC
P1930
CCP.
Fault in even clutch.
Fault in SAP internal
selectors.
Fault in SAP internal
selectors.
DTC read on
NCR
P1953
CCP.
P1954
L2_SG13_ILLEGAL_DISENGAGEM
ENT_OF_PARKLOCK, invalid signal
(illegal parklock disengagement)
L2_SG14_PARKLOCK_IS_NOT_EN
GAGING, invalid signal (parklock
not engaging)
L2_SG16_ILLEGAL_ENGAGEMEN
T_OF_PARKLOCK invalid signal
(illegal parklock engagement)
Fault
Wiring harness powering
engine speed sensor
damaged or
disconnected.
Wiring harness powering
engine speed sensor
damaged or
disconnected.
Component
involved
CCP.
CCP.
Fault in odd clutch.
CCP.
Fault in even clutch.
CCP.
Electric/mechanical
fault in engine speed
sensor.
Wiring harness
connecting clutch
actuators to ground is
damaged or
disconnected.
Wiring harness
connecting clutch
actuators to ground is
damaged or
disconnected.
Electric/mechanical
fault in Park lock
ON/OFF solenoid valve.
Electric/mechanical
fault in Park lock
ON/OFF solenoid valve.
Electric/mechanical
fault in Park lock
ON/OFF solenoid valve.
CCP.
CCP.
CCP.
SAP.
SAP.
SAP.
DTC read on
NCR
P1956
P1957
P1958
P1959
P195A
P195B
P195C
P195D
P195E
P195F
P1960
P1961
P1962
Description of DTC
Fault
APP_ROD_POS_ODD, too low
(position fault, odd shaft rod 5/7)
APP_ROD_POS_EVEN, too low
(position fault, even shaft rod 2/6)
APP_SOLENOID_PAIR_AB, no
signal (synchro solenoid valve
A(311) stuck OFF)
APP_SOLENOID_PAIR_AB, invalid
signal (synchro solenoid valve
B(312) stuck OFF)
APP_SOLENOID_PAIR_CD, no
signal (synchro solenoid valve
C(313) stuck OFF)
APP_SOLENOID_PAIR_CD, invalid
signal (synchro solenoid valve
D(314) stuck OFF)
APP_SOLENOID_PAIR_AB, too
high (synchro solenoid valve
A(311) stuck ON)
APP_SOLENOID_PAIR_AB, too
low (synchro solenoid valve B(312)
stuck ON)
APP_SOLENOID_PAIR_CD, too
high (synchro solenoid valve
C(313) stuck ON)
APP_SOLENOID_PAIR_CD, too
low (synchro solenoid valve D(314)
stuck ON)
Ground loop 2 (hydraulic parklock
- gear engagement actuators), too
high (earth level of power line B too
high)
Mechanical fault in
RODs.
Mechanical fault in
RODs.
Ground loop 2 (hydraulic parklock
- gear engagement actuators), too
low (earth level of power line B too
low)
Ground loop 3 (hydraulic parklock
- gear engagement actuators), too
high (earth level of power line B too
low)
Component
involved
DTC read on
NCR
SAP.
SAP.
Fault in gear selection
synchroniser.
SAP.
Fault in gear selection
synchroniser.
SAP.
P1963
P1964
Fault in gear selection
synchroniser.
SAP.
Fault in gear selection
synchroniser.
SAP.
Fault in gear selection
synchroniser.
SAP.
Fault in gear selection
synchroniser.
SAP.
P1965
P1966
P1967
P1968
Fault in gear selection
synchroniser.
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TSB/Document ID: 2622
Replacement Service Bulletin Number:
MFR Communication Date: 2019-11-13
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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