AutoCodes – RAM – B212E RAM

B212E RAM 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 RAM 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 1,762
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 19, 2019
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Code B212E RAM 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 RAM - Ignition Run/Acc Control-Circuit Short To Battery Or Open - AutoCodes.com
B212E RAM Code - Ignition Run/Acc Control-Circuit Short To Battery Or Open

What are the Possible Causes of the DTC B212E RAM?

  • 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 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 B212E 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 B212E RAM Code

1. What are the common symptoms of OBDII code B212E RAM?

- Common symptoms include issues with the ignition system, such as difficulty starting the vehicle, engine stalling, or the vehicle not starting at all.

2. What causes the OBDII code B212E RAM to trigger?

- This code is triggered when there is a short circuit to the battery or an open circuit in the ignition run/acc control circuit.

3. How can I diagnose the OBDII code B212E RAM?

- Diagnosing this code typically involves using a scan tool to read the code, checking the wiring and connectors in the ignition run/acc control circuit, and testing for shorts or opens.

4. What are some common repair tips for resolving the OBDII code B212E RAM?

- Repairing this code may involve repairing or replacing damaged wiring or connectors in the ignition run/acc control circuit and ensuring proper electrical connections.

5. Can I drive my vehicle with the OBDII code B212E RAM present?

- It is not recommended to drive your vehicle with this code present, as it can lead to potential issues with starting the vehicle or engine performance.

6. How serious is the OBDII code B212E RAM?

- This code is considered serious as it can impact the proper functioning of the ignition system, leading to potential starting or performance issues with the vehicle.

7. Is it safe to attempt repairs for the OBDII code B212E RAM on my own?

- While some DIY enthusiasts may attempt to diagnose and repair this code, it is recommended to seek professional help to ensure proper diagnosis and repair of the issue.

8. How much does it typically cost to fix the OBDII code B212E RAM?

- The cost of fixing this code can vary depending on the extent of the damage and the specific repairs needed. It is best to consult with a mechanic for an accurate estimate.

9. Can a faulty ignition switch cause the OBDII code B212E RAM to appear?

- Yes, a faulty ignition switch can potentially cause this code to appear if there is a short circuit to the battery or an open circuit in the ignition run/acc control circuit.

10. Will resetting the OBDII code B212E RAM make it go away permanently?

- Resetting the code may temporarily clear the error, but if the underlying issue is not addressed and repaired, the code is likely to reappear.

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