AutoCodes – Toyota – P1607 2018 Toyota RAV4

P1607 2018 Toyota RAV4 Code - Cruise Control Input Processor

Quick Answer

The Engine Control Module (ECM) continuously monitors its main and sub-CPUs for cruise control. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module 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: P1607 2018 Toyota RAV4 indicates Cruise Control Input Processor.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module 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 225

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 14, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1607 2018 Toyota RAV4 Description

The Engine Control Module (ECM) continuously monitors its main and sub-CPUs for cruise control. This self-check ensures that the ECM is functioning correctly. If outputs from the CPUs differ and deviate from the standards, the ECM will illuminate the MIL and set the Diagnostic Trouble Code (DTC) immediately.

OBDII Code P1607 2018 Toyota RAV4 - Cruise Control Input Processor - AutoCodes.com — P1607 2018 Toyota RAV4 Code - Cruise Control Input Processor

What does this mean?

What are the Possible Causes of the DTC P1607 2018 Toyota RAV4?

Faulty Engine Control Module (ECM)
Engine Control Module harness is open or shorted
Engine Control Module circuit poor electrical connection

How to Fix the DTC P1607 2018 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 does this mean?

Code Tech Notes

Check the Engine Control Module (ECM) fuse, if the fuse is OK then try erasing the code first and if the code comes back you may have to reprogram or replace the ECM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1607 2018 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.

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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 P1607 2018 Toyota RAV4 Code

1. What is OBDII code P1607 on a 2018 Toyota RAV4?

Code P1607 indicates a malfunction in the Cruise Control Input Processor within the vehicle's engine control module (ECM).

2. What are the common symptoms of OBDII code P1607 in a 2018 Toyota RAV4?

Common symptoms of P1607 may include inoperative cruise control, illuminated check engine light, and potential issues with the vehicle's speed control system.

3. What are the possible causes of OBDII code P1607 in a 2018 Toyota RAV4?

Causes of code P1607 can include a faulty cruise control switch, damaged wiring, ECM issues, or a malfunctioning cruise control module.

4. How can I diagnose OBDII code P1607 in my 2018 Toyota RAV4?

Diagnosis typically involves using a diagnostic scanner to read the code, checking the cruise control system components for damage, and testing the ECM for proper function.

5. Can I still drive my 2018 Toyota RAV4 with OBDII code P1607?

It is generally safe to drive the vehicle with code P1607, but you may experience issues with the cruise control system. It is recommended to address the problem promptly.

6. How do I repair OBDII code P1607 in my 2018 Toyota RAV4?

Repair options include fixing or replacing the cruise control switch, repairing damaged wiring, addressing ECM issues, or replacing the cruise control module as needed.

7. Is OBDII code P1607 in a 2018 Toyota RAV4 a serious issue?

While P1607 is not a critical issue affecting the drivability or safety of the vehicle, it can lead to inconvenience by disabling the cruise control function.

8. Can resetting the ECM clear OBDII code P1607 in my 2018 Toyota RAV4?

Resetting the ECM may temporarily clear the code, but if the underlying issue that triggered P1607 is not resolved, the code is likely to reappear.

9. How much does it cost to fix OBDII code P1607 in a 2018 Toyota RAV4?

The cost of fixing P1607 can vary depending on the specific cause of the issue and the labor rates of the repair shop. It is advisable to get a diagnostic assessment first.

10. Will OBDII code P1607 cause my 2018 Toyota RAV4 to fail an emissions test?

In most cases, P1607 alone may not cause the vehicle to fail an emissions test, but it is still recommended to address the issue to ensure proper functionality of the cruise control system.