P0893 critical

Multiple Gears Engaged

The P0893 code means the vehicle's onboard diagnostic system has detected: Multiple Gears Engaged. This is a critical severity code.

Keep driving?: No — stop driving
DIY difficulty: hard
Estimated cost: $300 - $4,500 (valve body or solenoid at the low end; overhaul at the high end)

Check Your Fluid First

ANCEL AD310 OBD-II Scanner

Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.

Read Transmission Codes

LAUNCH CRP123X (Reads All Systems)

Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.

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Common Symptoms

Internal transmission fault - stuck valve, failed solenoid, or clutch failure engaging two gears at once High
Valve body debris or wear High
TCM commanding conflicting solenoid states Low

What does P0893 mean?

P0893 means the control module detected two gears applied simultaneously - a serious internal transmission condition.

Can I keep driving with P0893?

No. Driving with multiple gears engaged can lock the wheels or cause severe internal damage. Have it towed.

Mechanics Guide Step-by-step diagnosis

Stop driving - two gears engaged at once can lock the driveline or destroy the transmission.
Read all transmission codes and freeze-frame data.
Check fluid level and condition; heavily contaminated fluid points at internal wear.
This diagnosis is internal - plan on a transmission shop with the OEM procedure.

Sources 2

This page is built from documented references. Verify against your own service info before repair work.

SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition

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