AutoCodes – Jeep – B212E Jeep

B212E Jeep Code - Ignition Run/Acc Control-Circuit Short To Battery Or Open

Quick Answer

When the Body Control Module (BCM) detects greater than 1.5 volts on the Run/Acc Relay Control circuit for greater than 1.28 seconds. Common causes include Faulty Run/Acc Relay, Run/Acc Relay harness is open or shorted, Run/Acc Relay 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: B212E Jeep indicates Ignition Run/Acc Control-Circuit Short To Battery Or Open.
Common causes: Common causes include Faulty Run/Acc Relay, Run/Acc Relay harness is open or shorted, Run/Acc Relay 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 2,129

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 Sep 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B212E Jeep Description

When the Body Control Module (BCM) detects greater than 1.5 volts on the Run/Acc Relay Control circuit for greater than 1.28 seconds.

OBDII Code B212E Jeep - Ignition Run/Acc Control-Circuit Short To Battery Or Open - AutoCodes.com — B212E Jeep Code - Ignition Run/Acc Control-Circuit Short To Battery Or Open

What does this mean?

What are the Possible Causes of the DTC B212E Jeep?

Faulty Run/Acc Relay
Run/Acc Relay harness is open or shorted
Run/Acc Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B212E Jeep?

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 B212E Jeep 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 B212E Jeep code?

Need more information on how to fix the B212E Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B212E Jeep code diagnosed by a professional: Find a repair shop in your area

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 B212E Jeep Code

1. What are common symptoms of OBDII code B212E in a Jeep?

- Common symptoms include issues with the ignition system, such as difficulty starting the vehicle, engine stalling, or the ignition staying on after the key is removed.

2. What can cause the OBDII code B212E in a Jeep?

- The code B212E typically indicates a short to battery or an open circuit in the ignition run/acc control circuit. This could be caused by damaged wiring, a faulty ignition switch, or a problem with the control module.

3. How can I diagnose the OBDII code B212E in my Jeep?

- Diagnosis involves using a scan tool to retrieve the specific fault code, followed by inspecting the wiring and components related to the ignition run/acc control circuit for any visible damage or issues.

4. Can I still drive my Jeep with the B212E fault code?

- It is not recommended to drive the vehicle with the B212E code, as it can lead to potential safety hazards such as unintended engine shutoff or electrical malfunctions.

5. How can I repair the B212E fault code in my Jeep?

- Repairing the B212E code involves identifying and fixing the underlying issue causing the short to battery or open circuit. This may require repairing or replacing damaged wiring, the ignition switch, or the control module.

6. Is it safe to attempt a DIY repair for the B212E fault code?

- While some DIY enthusiasts may have the skills to diagnose and repair the B212E code, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure safety and accuracy.

7. Will resetting the fault code resolve the B212E issue in my Jeep?

- Simply resetting the fault code may temporarily clear the warning light, but it will not fix the underlying problem causing the B212E fault code to reoccur.

8. How long does it typically take to repair the B212E fault code in a Jeep?

- The repair time for the B212E fault code can vary depending on the exact cause of the issue and the complexity of the repair. It may take a few hours to a full day for a mechanic to diagnose and fix the problem.

9. Can extreme weather conditions contribute to the B212E fault code in a Jeep?

- Extreme weather conditions, such as extreme cold or heat, can sometimes exacerbate existing electrical issues in a vehicle, potentially leading to the B212E fault code.

10. Are there any preventive measures to avoid encountering the B212E fault code in the future?

- Regularly inspecting the ignition system components, keeping up with routine maintenance, and addressing any electrical issues promptly can help prevent the occurrence of the B212E fault code in a Jeep.