P0701 — Transmission Control System Range/Performance

P0701: Transmission Control System Range/Performance — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Transmission Control System Range/Performance. Basic catalogue definition; diagnostic details have not yet been reviewed.

Affected system: Powertrain

Symptoms

  • Erratic shifting; transmission may remain in one gear.

Possible causes

  • Low/contaminated ATF, faulty wiring or failed transmission sensors.

What to check

  • Save all codes; check ATF, TCM connections and communication between modules.

Also written as: P0701-00, P070100, PO701 (some scan tools add the fault-type byte, e.g. -00).