Engine-Codes - Chevrolet - P0894 CHEVROLET

P0894 CHEVROLET Code - Torque Converter Clutch Fluid Diagram

- Code Popularity: 70,447 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0894 CHEVROLET Code?

  • Low transmission fluid level
  • Dirty or contaminated fluid
  • Internal transmission failure

|How to Fix the P0894 CHEVROLET Code?

Start by checking 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.

|P0894 CHEVROLET code tech notes





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|What is the cost to diagnose the P0894 CHEVROLET code?

Labor: 1.0

The cost to diagnose the P0894 CHEVROLET code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0894 CHEVROLET 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.

|What are P0894 CHEVROLET code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0894 CHEVROLET Code Mean?

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.

Torque Converter Clutch Fluid Diagram

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