OBD-II Code Honda

P1738 — Honda — Automatic Transaxle Concerns

The ECU detects a general automatic transaxle malfunction.

Brand Honda
System Transmission System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1738 mean on Honda vehicles?

The ECU detects a general automatic transaxle malfunction.

Common symptoms

  • Harsh gear changes

Possible causes

  • Internal transmission failure

Initial recommendation

Perform advanced automatic transmission diagnostics.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine Honda code P1738 with your vehicle's actual symptoms for more complete diagnostic guidance.

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