P0894 BUICK - Torque Converter Clutch Fluid Diagram
P0894 BUICK Possible Causes
- Low transmission fluid level
- Dirty or contaminated fluid
- Internal transmission failure
First diagnose P0894 BUICK code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P0894 BUICK code
Labor: 1.0The cost of diagnosing the P0894 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the P0894 BUICK 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 BUICK Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0894 Buick DescriptionThe 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.
P0894 BUICK More InformationNeed more information on how to fix the P0894 BUICK code?
Get Access to Factory Service Manuals
Need more help?Get the P0894 Buick code diagnosed by a professional: Find a repair shop in your area
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