How do I find the fault code on a Allison Transmission?

How do I find the fault code on a Allison Transmission?

Press and hold the MODE button for approximately three seconds until the MODE INDICATOR (LED) flashes. Release the MODE button and active indicators will not be illuminated. To clear inactive codes, press and hold the MODE button for 10 seconds. Some codes are self-clearing and others require ignition cycles to clear.

Is there a manual Allison Transmission?

Allison Automatics have minimum maintenance requirements, meaning less downtime and lower overall maintenance costs. Since Allison Automatics use a torque converter instead of a dry clutch, irritating clutch repairs and replacements that come with manual and automated manual transmissions (AMTs) are eliminated.

How much fluid does a Allison 2000 hold?

7.4 quarts (includes the pint for the spin-on) for the stock (shallow) pan – all you can drain.

What are SPN codes?

Military Separation Program Numbers (SPN Codes) define the reason a discharge or separation was granted. SPN Codes were replaced by alpha-numeric separation codes but can still be found on many older DD-214s.

What is the difference between automated manual transmission and automatic transmission?

How are automated manual transmissions different from automatics? Automated manual transmissions utilize a manual gearbox, with the clutch and gearshifts controlled by an electronic system. A traditional automatic uses planetary gearing with disc packs and torque converters.

How does Allison transmission retarder work?

Allison’s hydraulic retarder is basically a vaned flywheel in the transmission housing. The transmission directs oil into the retarder housing to absorb the vehicle’s energy through the drive shaft. The absorbed energy is converted to heat and dissipated through the vehicle’s cooling system.

How often should you change Allison transmission fluid?

Allison says the fluid is good for 100,000 miles.

Is there a service manual for the Allison 3000 and 4000 transmission?

This manual provides troubleshooting information for the 3000 and 4000 Product Families Transmissions. Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. • Description of the 3000 and 4000 Product Families Allison 4TH Generation Electronic Control system.

What should I do if I encounter a code on Allison?

If you encounter a code that is not yet in this publication, please call Allison Transmission. This manual provides troubleshooting information for the 3000 and 4000 Product Families Transmissions. Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual.

Why is service and repair important on Allison transmission equipment?

Proper service and repair is important to the safe and reliable operation of the equipment. The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. Some procedures require using specially designed tools.

What kind of electronic control system does an Allison Transmission have?

Y our Allison transmission has one of two electronic control systems: Allison 4th Generation Controls, or Allison 4thGeneration MY09 Prognostics Controls. The current electronic control system being offered is Allison 4thGeneration MY09 Prognostics Controls.

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