How do you clear a transmission code?

Clearing Fault Codes Manually

  1. Place shift lever in neutral.
  2. Set parking brake.
  3. Turn key on with engine off.
  4. Turn key off and on 6 times within 5 seconds ending with key on.
  5. Turn the key off and allow the system to power.

What type of fluid does an Allison Transmission take?

Allison recommends TES 668® Approved Fluids to extend drain intervals and enhance transmission performance and durability in all operating environments. Allison TES 668® Approved Fluids are recommended for use in Allison 1000 Series™, 2000 Series™, 3000 Series™, 4000 Series™ and H 40/50 EP™ on-highway products.

How do you clear a P0897 Allison?

Several repairs can fix a P0897 trouble code and include:

  1. Repair any damaged or shorted, open, or loose wiring or connectors.
  2. Internal transmission harness replacement.
  3. Repair any transmission fluid leaks.
  4. Clear blocked passages.
  5. Transmission fluid pump replacement.
  6. Shift solenoid or solenoid pack replacement.

How do I clear Allison codes?

Press and hold the MODE button for 10 seconds to clear both active and inactive codes. Sensor and Diagnostics operation of your Allison Automatic, and is not intended to replace your Operator’s Manual.

How do I check 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.

Can I use deXRon 3 in Allison transmission?

Dex III/TES-389 fluids are fine in the Allison, even 6 speeds, but you don’t get the extended drain intervals. For that, you need to step up to the TES-295 fluids.

What is code P0897?

P0897 code definition The P0897 code is a generic powertrain code related to the transmission, including pressure faults and sensor failures. In this case, the engine control module (ECM) has detected a deteriorated condition for the transmission fluid.