AutoCodes – Generic – B210B

B210B Code - Starter Control Relay ON

Quick Answer

The Starter control relay, integrated in Intelligent Power Distribution Module (IPDM) Engine Room (E/R), permits the starter relay operation when in N or P position and the steering is locked or unlocked. Common causes include Faulty Intelligent Power Distribution Module (IPDM), Intelligent Power Distribution Module (IPDM) harness is open or shorted, Intelligent Power Distribution Module (IPDM) 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
B210B indicates Starter Control Relay ON.
Common causes
Common causes include Faulty Intelligent Power Distribution Module (IPDM), Intelligent Power Distribution Module (IPDM) harness is open or shorted, Intelligent Power Distribution Module (IPDM) 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 2,526
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 17, 2019
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Code B210B Description

The Starter control relay, integrated in Intelligent Power Distribution Module (IPDM) Engine Room (E/R), permits the starter relay operation when in N or P position and the steering is locked or unlocked. It is installed in parallel with the starter relay. The OBDII code sets when the IPDM E/R detects that the relay is stuck at ON position even if the followings condition are met for about 1 second: Starter control relay ON/OFF signal from BCM and Clutch interlock or shift park neutral position (PNP) switch input.
OBDII Code B210B - Starter Control Relay ON - AutoCodes.com
B210B Code - Starter Control Relay ON

What are the Possible Causes of the DTC B210B?

  • Faulty Intelligent Power Distribution Module (IPDM)
  • Intelligent Power Distribution Module (IPDM) harness is open or shorted
  • Intelligent Power Distribution Module (IPDM) circuit poor electrical connection

How to Fix the DTC B210B?

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 B210B 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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Information for Specific Makes

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 B210B Code

1. What does the OBDII code B210B mean?

B210B indicates an issue with the Starter Control Relay, specifically that it is stuck in the "ON" position when it shouldn't be.

2. What are the common symptoms of the B210B code?

Symptoms may include difficulty starting the vehicle, the starter motor running continuously, or the engine cranking even after the ignition is turned off.

3. What causes the B210B code to appear?

Common causes include a faulty starter control relay, damaged wiring or connectors, a short circuit, or an issue with the ignition switch.

4. Can a bad battery cause the B210B code?

While a weak battery can cause starting issues, it is unlikely to directly trigger the B210B code. This code is typically related to relay or wiring problems.

5. How is the B210B code diagnosed?

A mechanic will inspect the starter control relay, check for wiring damage, test the relay for proper operation, and ensure the ignition circuit is functioning correctly.

6. Can I drive with the B210B code active?

Driving with this code is not recommended, as a stuck starter relay can lead to overheating of the starter motor or electrical damage.

7. How do you fix the B210B code?

Repairs may involve replacing the faulty starter control relay, fixing damaged wiring, or addressing issues with the ignition switch or related circuits.

8. How much does it cost to repair the B210B code?

The repair cost varies depending on the specific issue but typically ranges from $100 to $300, including parts and labor.

9. Can I reset the B210B code without fixing the problem?

Resetting the code without addressing the underlying issue is not recommended, as the problem will likely return and may cause further damage.

10. What happens if the B210B code is ignored?

Ignoring this code can lead to starter motor damage, electrical system failure, or a drained battery, potentially leaving you stranded.

Discuss the causes and fixes for B210B OBDII Code

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