AutoCodes – Toyota – B2788 2013 Toyota RAV4

B2788 2013 Toyota RAV4 Code - IG2 Signal Malfunction

Quick Answer

The Steering Lock ECU determines the on/off status of the engine switch through the IG2 signal circuit. Common causes include Blown IGN fuse, Faulty Steering Lock Actuator Assembly (Steering Lock ECU), Steering Lock Actuator Assembly harness is open or shorted. 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: B2788 2013 Toyota RAV4 indicates IG2 Signal Malfunction.
Common causes: Common causes include Blown IGN fuse, Faulty Steering Lock Actuator Assembly (Steering Lock ECU), Steering Lock Actuator Assembly harness is open or shorted.
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 624

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jan 16, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2788 2013 Toyota RAV4 Description

The Steering Lock ECU determines the on/off status of the engine switch through the IG2 signal circuit. After receiving an integration relay (IG2 relay) on signal, the steering lock ECU determines that the vehicle is moving. The steering lock ECU does not lock the steering when it receives the Integration Relay (IG2 relay) on the signal. This prevents the steering from being locked while the vehicle is moving. The diagnosis information of the steering lock ECU is transmitted to the Certification ECU (Smart Key ECU Assembly) as the Steering Lock ECU is not connected to the CAN communication system. The Diagnostic Trouble Code (DTC) is stored when the steering lock ECU detects an IG2 power supply malfunction.

OBDII Code B2788 2013 Toyota RAV4 - IG2 Signal Malfunction - AutoCodes.com — B2788 2013 Toyota RAV4 Code - IG2 Signal Malfunction

What does this mean?

What are the Possible Causes of the DTC B2788 2013 Toyota RAV4?

Blown IGN fuse
Faulty Steering Lock Actuator Assembly (Steering Lock ECU)
Steering Lock Actuator Assembly harness is open or shorted
Steering Lock Actuator Assembly circuit poor electrical connection

How to Fix the DTC B2788 2013 Toyota RAV4?

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 B2788 2013 Toyota RAV4 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 B2788 2013 Toyota RAV4 code?

Need more information on how to fix the B2788 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B2788 2013 Toyota RAV4 Code

1. What is OBDII code B2788 for a 2013 Toyota RAV4?

- OBDII code B2788 is related to the IG2 signal malfunction in a 2013 Toyota RAV4.

2. What are the common symptoms of OBDII code B2788 in a 2013 Toyota RAV4?

- Common symptoms include difficulty starting the vehicle, stalling, or the engine not turning over.

3. What are possible causes of the IG2 signal malfunction in a 2013 Toyota RAV4?

- Possible causes of the IG2 signal malfunction include a faulty ignition switch, wiring issues, or a problem with the immobilizer system.

4. How can I diagnose the IG2 signal malfunction in my 2013 Toyota RAV4?

- Diagnosing the issue may require using an OBDII scanner to read the code, checking the ignition switch and related wiring, and testing the immobilizer system.

5. Can I still drive my 2013 Toyota RAV4 with OBDII code B2788?

- It is not recommended to drive the vehicle with the IG2 signal malfunction as it may cause further damage and potentially leave you stranded.

6. How can I repair OBDII code B2788 in my 2013 Toyota RAV4?

- Repairing the IG2 signal malfunction may involve replacing the ignition switch, repairing any damaged wiring, or resetting the immobilizer system.

7. Is it safe to reset the OBDII code B2788 in my 2013 Toyota RAV4?

- While clearing the code may temporarily remove the warning light, it is important to address the root cause of the issue to prevent it from reoccurring.

8. Can a DIY enthusiast fix OBDII code B2788 in a 2013 Toyota RAV4?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the IG2 signal malfunction, but professional help may be recommended for complex issues.

9. How much does it cost to repair OBDII code B2788 in a 2013 Toyota RAV4?

- The cost of repairing OBDII code B2788 can vary depending on the specific cause of the issue, with potential costs including replacement parts, labor, and diagnostic fees.

10. Will OBDII code B2788 cause my 2013 Toyota RAV4 to fail an emissions test?

- Yes, the presence of OBDII code B2788 may cause your 2013 Toyota RAV4 to fail an emissions test as it indicates a malfunction within the vehicle's ignition system.