AutoCodes – Generic – C1616

C1616 Code - Cranking Signal System

Quick Answer

The All Wheel Control (AWC) ECU receives the signal of the ignition switch from Electronically Controlled System (ETACS) ECU via CAN communication. Common causes include Faulty Electronically Controlled System (ETACS) ECU, Faulty Ignition Switch, Electronically Controlled System (ETACS) ECU 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: C1616 indicates Cranking Signal System.
Common causes: Common causes include Faulty Electronically Controlled System (ETACS) ECU, Faulty Ignition Switch, Electronically Controlled System (ETACS) ECU 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 19,007

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 Nov 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1616 Description

The All Wheel Control (AWC) ECU receives the signal of the ignition switch from Electronically Controlled System (ETACS) ECU via CAN communication. The code is set when the cranking signal is set for five seconds or more continuously while driving.

OBDII Code C1616 - Cranking Signal System - AutoCodes.com — C1616 Code - Cranking Signal System

What does this mean?

What are the Possible Causes of the DTC C1616?

Faulty Electronically Controlled System (ETACS) ECU
Faulty Ignition Switch
Electronically Controlled System (ETACS) ECU harness is open or shorted
Electronically Controlled System (ETACS) ECU circuit poor electrical connection
Faulty All Wheel Control (AWC) ECU

How to Fix the DTC C1616?

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 C1616 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 C1616 code?

Need more information on how to fix the C1616 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1616 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1616 Mitsubishi — Cranking Signal System

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 C1616 Code

1. What are the common symptoms of OBDII code C1616 (Cranking Signal System)?

- Common symptoms include difficulty starting the engine, intermittent starting issues, and the engine not cranking when the ignition key is turned.

2. What are the possible causes of OBDII code C1616?

- Possible causes of this code include a faulty starter motor, issues with the ignition switch, a weak battery, corroded battery terminals, or damaged wiring in the cranking signal system.

3. How can I diagnose the cause of OBDII code C1616?

- Diagnose the cause by checking the battery voltage, inspecting the starter motor, testing the ignition switch, examining the wiring for any damages, and scanning for any other related trouble codes.

4. Can a weak battery trigger OBDII code C1616?

- Yes, a weak battery can trigger this code as it may not provide enough power to the starter motor, causing issues with the cranking signal system.

5. Is it safe to drive with OBDII code C1616 present?

- It is not recommended to drive with this code present, as it may lead to potential starting issues or complete failure to start the vehicle.

6. How can I repair OBDII code C1616?

- Repair steps may include replacing the starter motor, fixing any issues with the ignition switch, cleaning or replacing corroded battery terminals, or repairing damaged wiring in the cranking signal system.

7. Can OBDII code C1616 be caused by a faulty ignition switch?

- Yes, a faulty ignition switch can cause this code by not sending the proper signal to the starter motor to crank the engine.

8. What should I do if my engine does not crank when the OBDII code C1616 appears?

- If the engine does not crank, check the battery voltage, inspect the starter motor, and test the ignition switch to determine the cause and proceed with the necessary repairs.

9. Are there any DIY tips for troubleshooting OBDII code C1616?

- DIY tips include checking the battery connections, tapping the starter motor lightly to see if it engages, and visually inspecting the wiring for any visible damages.

10. Can OBDII code C1616 be intermittent in nature?

- Yes, this code can be intermittent, causing the engine to crank sometimes and fail to crank at other times, making diagnosis and repair more challenging but still necessary.