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Diagnostic Manual, Chassis and Drivetrain,
Volume 1

Printable version

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2.3 Electronic Automatic Transmission Control (ETC) > 12 Diagnosis - Diagnostic Trouble Code (DTC) Memory

Diagnosis - Diagnostic Trouble Code (DTC) Memory

DTC memory tables (for DTC's 002 through 065) for model 129, 140, 163, 170, 202, 208, and 210, follow. If there are no DTCs' stored, then continue with

13. Review

13regardless, for additional information.

Read out DTC's using HHT
The HHT will display only the defective electrical component and will refer to the respective test steps in section

23 of the Diagnostic Manual.

1. Review

11 entirely and this page before continuing diagnosis.

2. Check AFT level and correct as necessary,
see document AF27.00-P-0101A

3. Check condition of AFT, see

11/2

4. Connect HHT to data link connector (X11/4) as shown in connection diagram (see section 0).

5. Ignition: ON

6. Perform Quick Test with HHT and readout DTC'S.
Note:
The HHT, via its display indicates only the defective electrical components or refers to the corresponding Test step.

In order to further localize and determine the cause of an
intermittent DTC or find the root DTC, proceed as follows:
Subtract 96 from the displayed value (098 to 161) to determine the relevant DTC.

7. Retrieve any additional information on the displayed DTC by pressing the enter key.

1. If additional DTC's are stored in DTC memory of ETC or ME-SFI, further tests can be performed using the HHT (e.g. comparison of Nominal Values/Actual Values, or activation of components).

2. If no DTC'S are stored in DTC memory, the complaint may be of a hydraulic-mechanical nature (e.g. DTC

), proceed with the Complaint Related Diagnostic Chart (see

13/1).

3.

vehicles only:
Illumination of the "CHECK ENGINE" MIL (A1e26) will reference corresponding DTC's in the DTC memory of the engine control module.

4. Transmission adaption (adaption of the ETC), see

DTC
DTC
intermittent
DTC
(OBD)
only Note Possible cause Test step/Remedy 1)

Valid for diagnostic version
0 - 6, 13, 20 1-2/4-5 shift solenoid valve (Y3/6y3) Wiring, plug connectors,
1-2/4-5 shift solenoid valve (Y3/6y3),
23 4.0, see 13/16

Valid for diagnostic version
0 - 6, 13, 20 2-3 shift solenoid valve (Y3/6y5) Wiring, plug connectors
2-3 shift solenoid valve (Y3/6y5),
23 5.0, see 13/16

Valid for diagnostic version
0 - 6, 13, 20 3-4 shift solenoid valve (Y3/6y4) Wiring, plug connectors.
3-4 shift solenoid valve (Y3/6y4),
23 6.0, see 13/16

Valid for diagnostic version
0 - 6, 13, 20 PWM solenoid valve (Y3/6y6) (torque converter lock-up) Wiring, plug connectors.
PWM solenoid (Y3/6y6),
23 7.0, see 13/16

Valid for diagnostic version
0 - 6, 13, 20 Modulating pressure regulating solenoid valve (Y3/6y1) Wiring, plug connectors.
Modulating pressure regulating solenoid valve (Y3/6y1),
23 8.0, see 13/16

Valid for diagnostic version
0 - 6, 13, 20 Shift pressure regulating solenoid valve (Y3/6y2) Wiring, plug connectors.
Shift pressure regulating solenoid
valve (Y3/6y2),
23 9.0, see 13/16

-- Valid for diagnostic version
0 - 6 R/P-lock solenoid (Y66/1)
722.6 up to 6/30/99 in models 202, 208, 210 without touch shift.
722.6 in Models 129, 140, 163 without touch shift.
722.602/605 in Model 170 without touch shift. Wiring, plug connectors.
R/P-lock solenoid (Y66/1),
23 10.0

-- Valid for diagnostic version
0 - 6 Starter lock-out relay module (K38/3) (fault is in the line).
722.6 in Model 129 with engine 104, 112.
722.6 in Model 140 with engine 104, 606.
722.6 in Model 170 up to 6/30/99 with engine 111.
722.6 in Model 202 up to 6/30/99 with engine 104, 111, 112.
722.6 in Model 208 up to 6/30/99 with engine 112.
722.6 in Model 210 up to 6/30/99 with engine 104, 112, 606. Wiring, plug connectors,
Model 140, 129: Starter lock-out relay module (K38/3),
Model 210: Pulse module (N65),
23 11.0

Valid for diagnostic version
0 - 6, 13, 20 Voltage supply to solenoid valves Wiring, plug connectors.
23 3.0

Valid for diagnostic version
0 - 6, 13, 20 Voltage supply to rpm sensors Wiring, plug connectors.
23 12.0

Valid for diagnostic version
0 - 6, 13, 20 RPM sensor 2 (Y3/6n2) Wiring, plug connectors.
RPM sensor 2 (Y3/6n2), see 13/16

Valid for diagnostic version
0 - 6, 13, 20 RPM sensor 3 (Y3/6n3) Wiring, plug connectors.
RPM sensor 3 (Y3/6n3), see 13/16

Valid for diagnostic version
6, 13, 20 RPM sensor comparison:
RPM sensor 2 (Y3/6n2) to
RPM sensor 3 (Y3/6n3),
implausible If RPM semsor 2 or 3 are faulty, switch electrical set.
If impulse wheel is loose for RPM sensor 2 or 3, repair transmission or replace transmission.

Valid for diagnostic version
6, 13, 20 Excessive RPM:
RPM sensor 2 (Y3/6n2) or
RPM sensor 3 (Y3/6n3) See 13/16

Valid for diagnostic version
4, 5, 6 Transmission selector lever coding invalid Wiring, plug connectors.
Transmission range recognition
switch (S16/10)

Valid for diagnostic version
0, 1, 2, 3 Transmission selector lever implausible See 13
Wiring, plug connectors.

Valid for diagnostic version
4, 5, 6 Transmission selector lever between ranges See 13/17
Wiring, plug connectors.

Valid for diagnostic version
0, 1, 2 Temperature sensor (Y3/6b1) defective Wiring, plug connectors.
Temperature sensor (Y3/6b1)

-- Valid for diagnostic version
0, 1, 2 Starter lock-out contact (Y3/6s1) not functioning Starter lock-out contact (Y3/6s1),
23 13.0, see 13/17

-- Valid for diagnostic version
3, 4, 5, 6, 13, 20 Temperature sensor (Y3/6b1) faulty,
Starter lock-out
contact (Y3/6s1) no function Starter lock-out contact (Y3/6s1),
23 13.0, see 13/17

-- Valid for diagnostic version
0 - 6, 13, 20 Circuit 87 voltage supply fault (low or overvoltage) Wiring, plug connectors.
23 1.0

Valid for diagnostic version
0 - 6, 13, 20 CAN: Right rear wheel speed (VSS) from traction system implausible See DM, Chassis and Drivetrain,
Volume 3

Valid for diagnostic version
0 - 6, 13, 20 CAN: Left rear wheel speed (VSS) from traction system implausible See DM, Chassis and Drivetrain,
Volume 3

-- Valid for diagnostic version
0, 1 CAN: Pedal value from engine management implausible See DM, Engines

-- Valid for diagnostic version
2 - 6, 13, 20 CAN: Right front wheel speed (VSS) from traction system implausible See DM, Chassis and Drivetrain,
Volume 3

-- Valid for diagnostic version
0, 1 CAN: Engine rpm from engine management implausible See DM, Engines

-- Valid for diagnostic version
2 - 6, 13, 20 CAN: Left front wheel speed (VSS) from tracton system implausible See DM, Chassis and Drivetrain,
Volume 3

-- Valid for diagnostic version
0, 1
CAN: Right engine torque from engine management implauslible See DM, Engines

-- Valid for diagnostic version
2, 3, 4, 5, 6, 13, 20 CAN: Pedal value from engine management implausible See 13/17, see DM, Engines

-- Valid for diagnostic version
0, 1 Altitude adjustment factor from engine management implausible (This code can be ignored only if no code was set in ME-SFI) See DM, Engines

-- Valid for diagnostic version
2, 3, 4, 5, 6, 13 CAN: Adjusted engine torque implausible See DM, Engines

-- Valid for diagnostic version
20 CAN: Static engine torque implausible See DM, Engines

-- Valid for diagnostic version
0, 1
CAN: Left engine torque from engine management implausible See 13/17,
See DM, Engines

-- Valid for diagnostic version
2, 3, 4, 5, 6, 13, 20 CAN: Engine rpm from engine management implausible See 13/17,
See DM, Engines

-- Valid for diagnostic version
2, 3, 4, 5, 6, 13
CAN: Right engine torque from engine management implausible See 13/17,
See DM, Engines

-- Valid for diagnostic version
20
CAN: Minimal engine torque from engine management implausible See 13/17,
See DM, Engines

-- Valid for diagnostic version
0, 1 CAN: Communication to traction system faulty See DM, Chassis and Drivetrain

-- Valid for diagnostic version
2 - 6, 13, 20 CAN: Altitude correction factor from engine management implausible
(This code can be ignored only if no code was set in ME-SFI) --

-- Valid for diagnostic version
0,1 CAN: Engine management communication faulty See DM, Engines

-- Valid for diagnostic version
3, 13, 20 CAN: Maximum induced engine torque from engine management implausible See DM, Engines

-- Valid for diagnostic version
4, 5, 6,
except engines 119 and 120 CAN: Maximum induced engine torque from engine management implausible See DM, Engines

-- Valid for diagnostic version
0, 1 CAN: Engine management communication faulty See DM, Engines

-- Valid for diagnostic version
20 CAN: Engine torque requirement for traction system from engine management implausible See DM, Engines

-- Valid for diagnostic version
0,1 CAN: Engine management communication faulty See DM, Engines

-- Valid for diagnostic version
3, 4, 5, 6, 13 CAN: Throttle valve actuator actual value from engine management implausible See DM, Engines

Valid for diagnostic version
0, 1,
For engine 120 only CAN: Engine management communication faulty See DM, Engines

Valid for diagnostic version
13, 20 CAN: Communication with Electronic selector lever module control module (N15/5) faulty
Transmission selector lever version coding implausible See Star Diagnosis,
Read out DTC memory for Electronic Selector Lever Module Control Module (N15/5).

-- Valid for diagnostic version
0 - 6, For engine 120 only CAN: Engine management communication faulty See DM, Engines

-- Valid for diagnostic version
0 - 6, 13, 20 CAN: Communication from engine management faulty or engine temperature implausible See DM, Engines

-- Valid for diagnostic version
0 - 5 CAN: All communication faulty See 13/17,
See DM, Engines

-- Valid for diagnostic version
6, 13, 20 CAN: Line faulty (bus-off) Check lines from data buse.

Valid for diagnostic version
2, 3, 4, 5, 6, 13, 20 CAN: Traction system communication faulty See 13/17,
See DM, Chassis and Drivetrain

-- Valid for diagnostic version
2, 3, 4, 5, 6, 13, 20 CAN: Engine management communication faulty See DM, Engines

-- Valid for diagnostic version
3 CAN: Instrument cluster communication faulty See DM, Information/Communication, Volume 1.

-- Valid for diagnostic version
4, 5, 6,
except engines 119 and 120 CAN: Instrument cluster communication faulty See DM, Information/Communication, Volume 1.

-- Valid for diagnostic version
13, 20 CAN: Instrument cluster communication faulty,
CAN: Electronic ignition switch (EIS) communication faulty See STAR diagnosis,
Readout DTCs' for EIS and instrument cluster (A1)

Valid for diagnostic version
3, 4, 5, 6
Except For engine 119/120 CAN: Communication with transfer case control module faulty --

Valid for diagnostic version
13, 20 CAN: Communication with transfer case control module faulty --

Valid for diagnostic version
6, 13, 20 Excessive engine RPM --

Valid for diagnostic version
3, 4, 5 Execessive RPM:
RPM sensor 3 (Y3/6n3) or
Externally toothed plate gear See 13/17

Valid for diagnostic version
6, 13, 20 Non-acceptable transmission gear ratio See 13/18

Valid for diagnostic version
0 - 6, 13, 20 Gear implausible or transmission slips See 13/18

Valid for diagnostic version
0, 1, 2 Command valve (6, 14 or 25) sticking under pressure See 13/24

Valid for diagnostic version
3, 4, 5, 6, 13, 20 Torque converter lock-up clutch: unauthorized lock See 13/18

Valid for diagnostic version
0, 1, 2 Torque converter lock-up clutch: not functioning See 13/18

Valid for diagnostic version
3, 4, 5, 6, 13, 20 Torque converter lock-up clutch: input too high See 13/18

-- Valid for diagnostic version
0 - 6, 13, 20 No transmission overload protection (return signal) --

Valid for diagnostic version
0 - 6, 13, 20 Gear comparison or selected gear not attained See 13/19

Valid for diagnostic version
0 - 6, 13, 20 Fault in transmission control module (N15/3) Wiring, plug connections.
N15/3

-- Valid for diagnostic version
0 - 6, 13, 20 Fault in transmission control module (N15/3) Wiring, plug connections.
N15/3

Valid for diagnostic version
0 - 6, 13, 20 Fault in transmission control module (N15/3) Wiring, plug connections.
N15/3

-- Valid for diagnostic version
0 - 6, 13, 20 Fault in transmission control module (N15/3) Wiring, plug connections.
N15/3, see 13/19

1) Observe Preparation for Test, see 22.