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Engine-Codes.com | All About OBDII Engine Codes

P0894 GMC

P0894 GMC - Torque Converter Clutch Fluid Diagram

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P0894 GMC Comments |  Add Comment
Possible causes
- Low transmission fluid level
- Dirty or contaminated fluid
- Internal transmission failure
Help with Possible causes What does this mean?
When is the code detected?
When the Powertrain Control Module (PCM) detects excessive Torque Converter Clutch (TCC) slip when the TCC should be engage, then the trouble code P0894 is set.
P0894 GMC Description

The Powertrain Control Module (PCM) monitors the difference between engine speed and transmission output speed. In D3 drive range with Torque Converter Clutch (TCC) engaged, the engine speed should closely match the transmission output speed. In D4 drive range, with the TCC engaged, the TCC slip speed should be -20 to +50 RPM.

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GMC Technical Service Bulletins for P0894 code
2006 GMC W3500 Power Train:automatic Transmission Details
2006 GMC W4500 Power Train:automatic Transmission Details
2006 GMC W-SERIES Power Train:automatic Transmission Details
2006 GMC W-SERIES Power Train:automatic Transmission Details
2007 GMC W3500 Power Train:automatic Transmission Details
More Bulletins Help with Technical Service Bulletins What does this mean?
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