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P0920CriticalTransmission

P0920: Gear Shift Forward Actuator Circuit/Open

Found on 14 vehicle models across 5 makes

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P0920 is an OBD-II diagnostic trouble code meaning “Gear Shift Forward Actuator Circuit/Open.” Open circuit in the gear shift actuator for forward engagement. Common on automated manual transmissions. According to Au7o's database, this code appears across 14 vehicle models from 5 manufacturers. Full vehicle-specific causes and solutions at au7o.io.

14
Vehicles Affected
5
Makes
14
Related Issues

Common Causes

1Failed shift actuator
2Broken wiring
3Corroded connector
4Actuator motor failure
5TCM fault

Diagnostic Tools

To diagnose P0920, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
Check Price on Amazon
Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
Check Price on Amazon
Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
Check Price on Amazon
Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected by P0920

Click any vehicle to see the full issue details, symptoms, and repair guide.

Related Codes

C0700Transmission Control Module CommunicationP0218Transmission Over Temperature ConditionP0500Vehicle Speed Sensor MalfunctionP0700Transmission Control System MalfunctionP0701Transmission Control System Range/PerformanceP0710Transmission Fluid Temperature Sensor Circuit MalfunctionP0711Transmission Fluid Temperature Sensor Circuit Range/PerformanceP0715Input/Turbine Speed Sensor Circuit Malfunction

Frequently Asked Questions

What does P0920 mean?

P0920 stands for "Gear Shift Forward Actuator Circuit/Open." Open circuit in the gear shift actuator for forward engagement. Common on automated manual transmissions.

What are the most common causes of P0920?

The most common causes of P0920 are: Failed shift actuator, Broken wiring, Corroded connector, Actuator motor failure, TCM fault. The specific cause varies by vehicle — Au7o documents vehicle-specific causes for 14 models.

How much does it cost to fix P0920?

Repair costs vary widely depending on the root cause and vehicle. Check the vehicle-specific issues below for estimated costs.

Which vehicles are affected by P0920?

Au7o has documented P0920 across 14 vehicle models from 5 manufacturers: Dodge, Ford, Hyundai, Kia, Nissan. See the full list below for vehicle-specific causes and repair costs.

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