AutoCodes – Generic – B2553

B2553 Code - Ignition Relay

Quick Answer

The Body Control Module (BCM) turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON: Ignition relay-1, Ignition relay-2, and Blower fan motor relay. Common causes include Faulty Ignition Relay, Ignition Relay harness is open or shorted, Ignition 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: B2553 indicates Ignition Relay.
Common causes: Common causes include Faulty Ignition Relay, Ignition Relay harness is open or shorted, Ignition 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 14,453

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 Dec 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2553 Description

The Body Control Module (BCM) turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON: Ignition relay-1, Ignition relay-2, and Blower fan motor relay. The BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status. The Diagnostic Trouble Code (DTC) sets when the BCM detects a difference of signal for 2 seconds or more between the following information: Ignition relay-2 (fuse block) ON/OFF operation
Ignition relay-2 (fuse block) feedback.

OBDII Code B2553 - Ignition Relay - AutoCodes.com — B2553 Code - Ignition Relay

What does this mean?

What are the Possible Causes of the DTC B2553?

Faulty Ignition Relay
Ignition Relay harness is open or shorted
Ignition Relay circuit poor electrical connection

How to Fix the DTC B2553?

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 B2553 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 B2553 code?

Need more information on how to fix the B2553 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2553 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2553 Chrysler — Convertible Top Panel Unlatch Limit Switch Performance
B2553 Dodge — Convertible Top Panel Unlatch Limit Switch Performance
B2553 Infiniti — Ignition Relay
B2553 Lexus — Sliding Roof Control ECU Malfunction
B2553 Nissan — Ignition Relay

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 B2553 Code

1. What are the common symptoms of OBDII code B2553 (Ignition Relay)?

- Common symptoms of code B2553 include difficulty starting the vehicle, intermittent starting issues, and the engine stalling unexpectedly.

2. What are the possible causes of OBDII code B2553 (Ignition Relay)?

- Possible causes of code B2553 include a faulty ignition relay, damaged wiring or connectors related to the ignition system, or a malfunctioning ignition switch.

3. How can I diagnose OBDII code B2553 (Ignition Relay) in my vehicle?

- To diagnose code B2553, you can use an OBDII scanner to read the code and then inspect the ignition relay, wiring, and connectors for any visible damage or loose connections.

4. What are the repair options for OBDII code B2553 (Ignition Relay)?

- Repair options for code B2553 may include replacing the faulty ignition relay, repairing damaged wiring or connectors, or replacing the ignition switch if necessary.

5. Can I drive my vehicle with OBDII code B2553 (Ignition Relay) present?

- It is not recommended to drive your vehicle with code B2553 present, as it can lead to potential starting or stalling issues, which may affect the safety and reliability of the vehicle.

6. How much does it cost to repair OBDII code B2553 (Ignition Relay)?

- The cost to repair code B2553 can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Is OBDII code B2553 (Ignition Relay) a serious issue?

- While code B2553 is not typically considered a serious issue that poses an immediate safety risk, it can lead to starting or stalling problems if left unresolved.

8. Can a DIY enthusiast fix OBDII code B2553 (Ignition Relay) at home?

- Depending on their skill level, a DIY enthusiast may be able to diagnose and repair code B2553 at home by following repair guides or consulting with online resources.

9. How often does OBDII code B2553 (Ignition Relay) occur in vehicles?

- OBDII code B2553 (Ignition Relay) is a relatively common code that can occur in vehicles with ignition system issues, particularly in older vehicles or those with high mileage.

10. Are there any preventive maintenance tips to avoid OBDII code B2553 (Ignition Relay)?

- To prevent code B2553, it is recommended to regularly inspect and maintain the ignition system components, such as the ignition relay, wiring, and connectors, as part of routine vehicle maintenance.