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Chevrolet / GMC Diesel Tech Articles All years Duramax

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  #1  
Old 12-16-2007, 01:14 PM
Diesel Fan

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Default Allison Code List, TQ Specs, And Other Info

Here are the clutch apply's for each gear.

Reverse: C3 & C5

1st gear: C1 & C5

2nd gear: C1 & C4

3rd gear: C1 & C3

4th gear: C1 & C2

5th gear: C2 & C3

6th gear: C2 & C4 (only avaialable on 06-up trucks)

Here is what I came up with codes:

P0218-- Trans Fluid Over Temperature
P0562-- System Voltage Low
P0563-- System Voltage High
P0602-- TCM Not Programmed
P0606-- TCM Internal Performance
P0700-- Transmission Control System Malfunction
P0701-- Transmission Control System Range/Performance
P0702-- Transmission Control System Electrical
P0703-- Torque Converter/Brake Switch B Circuit Malfunction
P0704-- Clutch Switch Input Circuit Malfunction
P0705-- Transmission Range Sensor Circuit malfunction (PRNDL Input)
P0706-- Transmission Range Sensor Circuit Range/Performance
P0707-- Transmission Range Sensor Circuit Low Input
P0708--Transmission Range Sensor Circuit High Input
P0709--Transmission Range Sensor Circuit Intermittent
P0710-- Transmission Fluid Temperature Sensor Circuit Malfunction
P0711-- Transmission Fluid Temperature Sensor Circuit Range/Performance
P0712-- Transmission Fluid Temperature Sensor Circuit Low Input
P0713-- Transmission Fluid Temperature Sensor Circuit High Input
P0714-- Transmission Fluid Temperature Sensor Circuit Intermittent
P0715-- Input/Turbine Speed Sensor Circuit Malfunction
P0716-- Input/Turbine Speed Sensor Circuit Range/Performance
P0717-- Input/Turbine Speed Sensor Circuit No Signal
P0718-- Input/Turbine Speed Sensor Circuit Intermittent
P0719-- Torque Converter/Brake Switch B Circuit Low
P0720-- Output Speed Sensor Circuit Malfunction
P0721-- Output Speed Sensor Range/Performance
P0722-- Output Speed Sensor No Signal
P0723-- Output Speed Sensor Intermittent
P0724-- Torque Converter/Brake Switch B Circuit High
P0725-- Engine Speed input Circuit Malfunction
P0726-- Engine Speed Input Circuit Range/Performance
P0727-- Engine Speed Input Circuit No Signal
P0728-- Engine Speed Input Circuit Intermittent
P0730-- Incorrect Gear Ratio
P0731-- Gear 1 Incorrect ratio
P0732-- Gear 2 Incorrect ratio
P0733-- Gear 3 Incorrect ratio
P0734-- Gear 4 Incorrect ratio
P0735-- Gear 5 Incorrect ratio
P0736-- Reverse incorrect gear ratio
P0740-- Torque Converter Clutch Circuit Mal***tion
P0741-- Torque Converter Clutch Circuit Performance or Stuck Off
P0742-- Torque Converter Clutch Circuit Stuck On
P0743-- Torque Converter Clutch Circuit Electrical
P0744-- Torque Converter Clutch Circuit Intermittent
P0745-- Pressure Control Solenoid Malfunction
P0746-- Pressure Control Solenoid Performance or Stuck Off
P0747-- Pressure Control Solenoid Stuck On
P0748-- Pressure Control Solenoid Electrical
P0749-- Pressure Control Solenoid Intermittent
P0750-- Shift Solenoid A Malfunction
P0751-- Shift Solenoid A Performance or Stuck Off
P0752-- Shift Solenoid A Stuck On
P0753-- Shift Solenoid A Electrical
P0754-- Shift Solenoid A Intermittent
P0755-- Shift Solenoid B Malfunction
P0756-- Shift Solenoid B Performance or Stuck Off
P0757-- Shift Solenoid B Stuck On
P0758-- Shift Solenoid B Electrical
P0759-- Shift Solenoid B Intermittent
P0760-- Shift Solenoid C Malfunction
P0761-- Shift Solenoid C Performance or Stuck Off
P0762-- Shift Solenoid C Stuck On
P0763-- Shift Solenoid C Electrical
P0764-- Shift Solenoid C Intermittent
P0765-- Shift Solenoid D Malfunction
P0766-- Shift Solenoid D Performance or Stuck Off
P0767-- Shift Solenoid D Stuck On
P0768-- Shift Solenoid D Electrical
P0769-- Shift Solenoid D Intermittent
P0770-- Shift Solenoid E Malfunction
P0771-- Shift Solenoid E Performance or Stuck Off
P0772-- Shift Solenoid E Stuck On
P0773-- Shift Solenoid E Electrical
P0774-- Shift Solenoid E Intermittent
P0778-- Pressure Control Trim Solenoind B Electrical
P0780-- Shift Malfunction
P0781-- 1-2 Shift Malfunction
P0782-- 2-3 Shift Malfunction
P0783-- 3-4 Shift Malfunction
P0784-- 4-5 Shift Malfunction
P0785-- Shift/Timing Solenoid Malfunction
P0786-- Shift/Timing Solenoid Range/Performance
P0787-- Shift/Timing Solenoid Low
P0788-- Shift/Timing Solenoid High
P0789-- Shift/Timing Solenoid Intermittent
P0790-- Normal/Performance Switch Circuit Malfunction
P0801-- Reverse Inhibit Control Circuit Malfunction
P0803-- 1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction
P0804-- 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction
P0840-- Transmission Pressure Switch, Solenoid C Circuit
P0841-- Transmission Pressure Switch, Solenoid C Stuck Open
P0842-- Transmission Pressure Switch, Solenoid C Stuck Closed
P0843-- Transmission Pressure Switch, Solenoid C Circuit High
P0845-- Trans PSI Switch, Solenoid D Circut
P0846-- Transmission Pressure Switch, Solenoid D Stuck Open
P0847-- Transmission Pressure Switch, Solenoid D Stuck Closed
P0848-- Transmission Pressure Switch, Solenoid C Circuit High
P1688-- Unmanaged Engine Torque Delivered To TCM
P1709-- Transmission PSI Switch, Solenoid E Circut
P1710-- Transmission PSI Switch, Solenoid E Circut Stuck Open
P1711-- Transmission PSI Switch, Solenoid E Circut Stuck Closed
P1712-- Transmission PSI Switch, Solenoid E Circut High
P1713-- Transmission PSI Switch, Solenoid Reverse Circut
P1714-- Transmission PSI Switch, Solenoid Reverse Circut Stuck Open
P1715-- Transmission PSI Switch, Solenoid Reverse Circut Stuck Closed
P1716-- Transmission PSI Switch, Solenoid Reverse Circut High
P1720-- Trim Solenoid "A" Controlled Clutch Not Engaged
P1721-- Trim Solenoid "B" Controlled Clutch Not Engaged
P1723-- Trim Solenoid "A" Controlled Clutch Not Engaged
P1724-- Trim Solenoid "B" Controlled Clutch Not Engaged
P1726-- Shift Solenoid "D" Controlled Clutch Not Engaged
P1727-- Shift Solenoid "E" Controlled Clutch Not Engaged
P1760-- TCM Supply Voltage
P1835-- Kickdown Circut
P1860-- TCC (PWM) Solenoid Circut-Electrical
P1891-- Throttle Pos Sensor Clutch PWM Sig Low Input
P1892-- Throttle Pos Sensor Clutch PWM Sig High Input
U1016-- Class 2 Powertrain Controller State of Health
U1300-- Serial Data Comm Link Low (Class 2)
U1301-- Serial Data Comm Link High (Class 2)
U2104-- CAN Bus Reset Counter Overrun
U2105-- CAN Bus Error ECM

Here are some specs I found:


DETENT SPRING TO VALVE BODY, M6 X 1.0 X 12 (2 REQUIRED) 12 N.m, (9 ft.lb.).

MAIN VALVE BODY TO SHIFT VALVE BODY, M6 X 1.0 X 50 (23 REQUIRED) 12 N.m, (9 ft.lb.).

VALVE BODY ASSEMBLY TO CASE, M6 X 1.0 X 50 (15 REQUIRED) 12 N.m, (9 ft.lb.).

MAIN VALVE BODY TO SHIFT VALVE BODY, M6 X 1.0 X 65 (1 REQUIRED) 12 N.m, (9 ft.lb.).

SPEED SENSOR RETAINING BOLT, M6 X 1.0 X 13 (3 REQUIRED) 12 N.m, (9 ft.lb.).

NSBU SWITCH TO MAIN CASE, M8 X 1.25 X 15 (2 REQUIRED) 27 N.m, (20 ft.lb.).

BOTTOM PAN TO MAIN CASE, M8 X 1.25 X 20 (12 REQUIRED) 27 N.m, (20 ft.lb.).

BOTTOM PAN DRAIN PLUG 35 N.m, (26 ft.lb.).

MANUAL SHAFT NUT (INTERNAL & EXTERNAL) 23 N.m, (17 ft.lb.).

COOLER MANIFOLD TO BELL HSG, M8 X 1.25 X 30 (8 REQUIRED) 30 N.m, (22 ft.lb.).

COOLER MANIFOLD TO BELL HSG, M8 X 1.25 X 40 (4 REQUIRED) 30 N.m, (22 ft.lb.).

PUMP COVER TO PUMP BODY, M8 X 1.25 X 55 (5 REQUIRED) 27 N.m, (20 ft.lb.).

PTO COVER TO MAIN CASE, M10 X 1.5 X 20 COATED (12 REQUIRED) 56 N.m, (41 ft.lb.).

EXTENSION HOUSING TO MAIN CASE, M10 X 1.5 X 40 (16 REQUIRED) 50 N.m, (37 ft.lb.).

BELL HOUSING TO PUMP COVER WITH "O" RING, M10 X 1.5 X 50 (10 REQUIRED) 43 N.m, (32 ft.lb.).

BELL HOUSING TO MAIN CASE, M10 X 1.5 X 50 (15 REQUIRED) 50 N.m, (37 ft.lb.).

BELL HOUSING TO MAIN CASE, M10 X 1.5 X 70 (5 REQUIRED) 50 N.m, (37 ft.lb.).

REAR YOKE NUT WHEN USED 123 N.m, (91 ft.lb.).

TRANSMISSION TO ENGINE 50 N.m, (37 ft.lb.).

TRANSFER CASE TO TRANSMISSION 50 N.m, (37 ft.lb.).

TRANSMISSION MOUNT TO ADAPTER HOUSING 47 N.m, (35 ft.lb.).

TRANSMISSION MOUNT NUTS 40 N.m, (30 ft.lb.).

Some other info about Solenoids:

Trim Sol A is Normaly Closed and allows for Limp home in Power Failure Mode
Trim Sol B is Normaly Open

Trim Solonoids control Ongoing, Offgoing, and Holding Psi to the 5 clutch packs.

Solenoids C,D,E are Shift Solenoids (Normaly Closed)

Shift Solenoids are used to provide logic to distribute fluid to the Clutch Packs

Solenoid F is a Lockup Solenoid (Normaly Closed)

Solenoid F controls the Converter Lockup using Pulse Width Modulation (PWM).


Hope this helps. Feel free to add related info to this thread or correct anything you see that is not correct. Thanks!

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  #2  
Old 12-16-2007, 02:17 PM
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THANKS BOB!!! Good to see ya again.

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  #3  
Old 12-16-2007, 02:34 PM
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OH YA........good info man

Thanks Stud

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  #4  
Old 12-16-2007, 07:32 PM
Aaron
Status: TEEE CEEEE UUUUUUU

   

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good info to have

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  #5  
Old 12-16-2007, 08:02 PM
Diesel Fan

   

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Here is another code that is kinda hard to find info on:

P1781-- TCM and ECM Failure To Communicate on Startup

P1781 is set during engine start up when the ECM & TCM do not communicate properly during initial power up. It will only illuminate the service light if the condition occurs in 2 consecutive start cycles, but the DTC will be stored in the failure records after the first cycle. Seems a lot of people get this code when they install an in line type programmer under the hood.

---AutoMerged DoublePost---

Gear ratio’s:

Reverse-- 4.49
1st gear-- 3.10
2nd gear-- 1.81
3rd gear-- 1.41
4th gear-- 1.00
5th gear-- 0.71
6th gear-- 0.61 (available on 06 and up Allison)

Last edited by bobo; 12-16-2007 at 08:02 PM.. Reason: Automerged Doublepost
  #6  
Old 03-29-2009, 09:41 PM
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Do you know if the 6 speed allison will bolt up the same as the 5 speed allison?
  #7  
Old 03-30-2009, 10:25 AM
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Originally Posted by NormiNamweN View Post
Do you know if the 6 speed allison will bolt up the same as the 5 speed allison?
Sure will. Bolt patterns are the same.

http://www.dieselbombers.com/duramax...tml#post314925

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