AutoCodes – Generic – C211B

C211B Code - Ignition Run/Start Input

Quick Answer

The Electro-Hydraulic Power Steering (EHPS) Module monitors the Ignition Switch. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch circuit poor electrical connection. 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: C211B indicates Ignition Run/Start Input.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch circuit poor electrical connection.
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 3,792

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 15, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C211B Description

The Electro-Hydraulic Power Steering (EHPS) Module monitors the Ignition Switch. The EHPS) Module sets the OBDII code when the Ignition Switch is not to factory specifications.

OBDII Code C211B - Ignition Run/Start Input - AutoCodes.com — C211B Code - Ignition Run/Start Input

What does this mean?

What are the Possible Causes of the DTC C211B?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Electro-Hydraulic Power Steering (EHPS) Module

How to Fix the DTC C211B?

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 does this mean?

Code Tech Notes

C211B-00-IGNITION RUN/START INPUT
C211B-11-IGNITION RUN/START INPUT - CIRCUIT SHORT TO GROUND
C211B-12-IGNITION RUN/START INPUT - CIRCUIT SHORT TO BATTERY
C211B-92-IGNITION RUN/START INPUT CIRCUIT PERFORMANCE - PERFORMANCE OR INCORRECT OPERATION [ AIR SUSPENSION CONTROL MODULE (ASCM) - ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
C211B-92-IGNITION RUN/START INPUT CIRCUIT PERFORMANCE - PERFORMANCE OR INCORRECT OPERATION [ ANTILOCK BRAKE SYSTEM (ABS) - ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C211B 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.

Need more information about the C211B code?

Need more information on how to fix the C211B code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C211B code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C211B Chrysler — Ignition Run/Start Input
C211B Dodge — Ignition Run/Start Input
C211B Jeep — Ignition Run/Start Input

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 C211B Code

1. What are the common symptoms of OBDII code C211B (Ignition Run/Start Input)?

- Common symptoms include difficulty starting the vehicle, engine stalling, or the engine not starting at all.

2. What are the possible causes of OBDII code C211B?

- Possible causes of this code include a faulty ignition switch, wiring issues, or a problem with the ignition run/start input circuit.

3. How can I diagnose the OBDII code C211B?

- Diagnosing this code typically involves checking the ignition switch, inspecting the wiring for any damage, and testing the ignition run/start input circuit using a multimeter.

4. Can I still drive my vehicle with OBDII code C211B?

- It is not recommended to drive your vehicle with this code present, as it can lead to potential safety hazards and further damage to the vehicle.

5. How can I repair OBDII code C211B?

- Repairing this code may involve replacing the ignition switch, repairing any damaged wiring, or addressing issues with the ignition run/start input circuit.

6. Is it safe to reset the OBDII code C211B using a diagnostic scanner?

- While resetting the code may temporarily turn off the warning light, it is important to address the underlying issue causing the code to prevent future problems.

7. Can a faulty battery cause OBDII code C211B to appear?

- Yes, a weak or faulty battery can potentially trigger this code due to insufficient power reaching the ignition system.

8. Are there any DIY repair tips for fixing OBDII code C211B?

- DIY repair tips may include checking and tightening any loose connections, inspecting the ignition switch for wear, and ensuring proper grounding of the ignition system.

9. How much does it typically cost to repair OBDII code C211B at a mechanic?

- The cost of repairing this code can vary depending on the specific issue, but it may range from $100 to $300 or more, including parts and labor.

10. Can OBDII code C211B affect other vehicle systems?

- Yes, this code can affect other vehicle systems reliant on the ignition system, potentially leading to additional issues such as poor engine performance or electrical problems.