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C1728ModerateSuspension

C1728: EPS Motor Over-Temperature

1 vehicles · 1 makes · $300-$1,500 repair

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C1728 is an OBD-II diagnostic trouble code meaning “EPS Motor Over-Temperature.” The electric power steering motor has exceeded its temperature limit. Assist will be reduced to prevent damage. This code appears across 1 vehicle models from 1 manufacturers, with repair costs ranging from $300 to $1,500.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
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Common Causes

1Extended parking lot maneuvers
2Sustained steering at full lock
3Cooling issue
4Motor bearing wear
5Driving on very rough terrain

Typical Repair Cost

$300 - $1,500

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose C1728, 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 (1)

ExpeditionModerate

Air Suspension Compressor Failure and Rear Sag

2003-2017$300-$1,5003,800 reports

Related Codes (7)

C1725Steering Torque Sensor CircuitC1726Steering Torque Sensor Signal InvalidC1727EPS Motor Circuit MalfunctionC0327Excessive Lateral Acceleration Sensor RateC0660Level Control Exhaust Valve MalfunctionC0710Steering Position SensorU0131Lost Communication with Power Steering Module

FAQ

What does C1728 mean?

C1728 stands for "EPS Motor Over-Temperature." The electric power steering motor has exceeded its temperature limit. Assist will be reduced to prevent damage.

What are the most common causes of C1728?

The most common causes of C1728 are: Extended parking lot maneuvers, Sustained steering at full lock, Cooling issue, Motor bearing wear, Driving on very rough terrain. The specific cause varies by vehicle.

How much does it cost to fix C1728?

Repair costs for C1728 range from $300 to $1,500, depending on the vehicle and root cause.

Which vehicles are affected by C1728?

Au7o has documented C1728 across 1 vehicle models from 1 manufacturers: Ford.

Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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