AutoCodesRAM – C221C RAM

C221C RAM Code - Electric Power Steering Module Flash Require

Quick Answer

The Electric Power Steering (EPS) Module has not been flashed with the calibration software. Common causes include Electric Power Steering Module (EPS) Flash Require, Faulty Electric Power Steering (EPS) Module, Electric Power Steering (EPS) Module harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C221C RAM indicates Electric Power Steering Module Flash Require.
Common causes
Common causes include Electric Power Steering Module (EPS) Flash Require, Faulty Electric Power Steering (EPS) Module, Electric Power Steering (EPS) Module harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 692
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code C221C RAM Description

The Electric Power Steering (EPS) Module has not been flashed with the calibration software.
OBDII Code C221C RAM - Electric Power Steering Module Flash Require - AutoCodes.com
C221C RAM Code - Electric Power Steering Module Flash Require

What are the Possible Causes of the DTC C221C RAM?

  • Electric Power Steering Module (EPS) Flash Require
  • Faulty Electric Power Steering (EPS) Module
  • Electric Power Steering (EPS) Module harness is open or shorted
  • Electric Power Steering (EPS) Module circuit poor electrical connection

How to Fix the DTC C221C RAM?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C221C RAM code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C221C RAM Code

1. What does the OBDII code C221C mean?

The C221C code indicates that the Electric Power Steering (EPS) module requires a software update or reprogramming (flashing) to function properly.

2. What are the symptoms of the C221C code?

Common symptoms include a loss of power steering assist, the EPS warning light on the dashboard, and increased steering effort.

3. What causes the C221C code to appear?

The primary cause is outdated or corrupted software in the Electric Power Steering module that requires flashing or reprogramming.

4. Can I still drive with the C221C code?

Yes, but driving may be more difficult due to the loss of power steering assist, especially at low speeds. It’s best to address the issue promptly.

5. How is the C221C code diagnosed?

A mechanic will use a diagnostic scanner to confirm the code and check the Electric Power Steering module for software version compatibility or corruption.

6. How is the C221C code fixed?

The fix involves reprogramming or flashing the Electric Power Steering module with the latest software using specialized dealership or professional tools.

7. Do I need to replace the Electric Power Steering module to fix the C221C code?

In most cases, replacement is not necessary; the issue is resolved through software flashing. However, if reprogramming fails, further diagnosis may be required.

8. Can I perform the reprogramming for the C221C code myself?

Reprogramming typically requires specialized tools and software access, which are usually available at a dealership or professional repair shop.

9. How much does it cost to fix the C221C code?

The cost varies but typically ranges from $100 to $200 for reprogramming, depending on the shop or dealership.

10. What happens if I ignore the C221C code?

Ignoring the code can lead to prolonged steering performance issues, increased effort when turning, and potential safety hazards while driving.

Discuss the causes and fixes for C221C RAM OBDII Code

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