AutoCodes – Mitsubishi – C161D Mitsubishi

C161D Mitsubishi Code - Electric Pump Relay Circuit System Malfunction

Quick Answer

The All Wheel Control (AWC) ECU operates the electric pump via the electric pump relay. Common causes include Faulty Electric Pump Relay, Electric Pump Relay harness is open or shorted, Electric Pump 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: C161D Mitsubishi indicates Electric Pump Relay Circuit System Malfunction.
Common causes: Common causes include Faulty Electric Pump Relay, Electric Pump Relay harness is open or shorted, Electric Pump 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 1,315

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 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C161D Mitsubishi Description

The All Wheel Control (AWC) ECU operates the electric pump via the electric pump relay. The code is set when the electric pump relay coil side circuit is open or shorted.

OBDII Code C161D Mitsubishi - Electric Pump Relay Circuit System Malfunction - AutoCodes.com — C161D Mitsubishi Code - Electric Pump Relay Circuit System Malfunction

What does this mean?

What are the Possible Causes of the DTC C161D Mitsubishi?

Faulty Electric Pump Relay
Electric Pump Relay harness is open or shorted
Electric Pump Relay circuit poor electrical connection
Faulty All Wheel Control (AWC) ECU

How to Fix the DTC C161D Mitsubishi?

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 C161D Mitsubishi 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 C161D Mitsubishi code?

Need more information on how to fix the C161D Mitsubishi 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 C161D Mitsubishi Code

1. What are the common symptoms of OBDII code C161D in a Mitsubishi related to the Electric Pump Relay Circuit System Malfunction?

- Common symptoms include the vehicle's electric pump not functioning properly, issues with fuel delivery, and potential stalling or rough idling.

2. What are some possible causes of the C161D code in a Mitsubishi?

- Causes of the Electric Pump Relay Circuit System Malfunction may include a faulty electric pump relay, damaged wiring or connectors, or a malfunctioning electric pump.

3. How can I diagnose the Electric Pump Relay Circuit System Malfunction in my Mitsubishi?

- Diagnosing the issue involves inspecting the electric pump relay, checking the wiring and connectors for damage, and testing the electric pump's functionality using a multimeter.

4. Can a DIY enthusiast repair the C161D code related to the Electric Pump Relay Circuit System Malfunction?

- While some basic troubleshooting like checking connections and replacing the electric pump relay can be done by DIY enthusiasts, complex issues may require professional diagnosis and repair.

5. Are there any specific repair tips for fixing the Electric Pump Relay Circuit System Malfunction in a Mitsubishi?

- Ensure all connections are secure, use a wiring diagram to trace the circuit, and consider testing the electric pump separately to isolate the issue.

6. How serious is the C161D code related to the Electric Pump Relay Circuit System Malfunction in a Mitsubishi?

- Ignoring this code can lead to fuel delivery problems, potential engine stalling, and unsafe driving conditions, so it's important to address it promptly.

7. Can resetting the OBDII system clear the C161D code in a Mitsubishi?

- While resetting the system may temporarily clear the code, it's crucial to diagnose and fix the underlying issue causing the Electric Pump Relay Circuit System Malfunction.

8. Is it safe to drive my Mitsubishi with the C161D code triggered?

- It is not recommended to drive the vehicle with the C161D code active, as it can lead to performance issues and potential safety hazards on the road.

9. How much does it typically cost to repair the Electric Pump Relay Circuit System Malfunction in a Mitsubishi?

- The cost of repairs can vary depending on the exact cause of the issue, but it may involve replacing the electric pump relay, repairing wiring, or replacing the electric pump, which can range from moderate to expensive.

10. Can extreme weather conditions affect the Electric Pump Relay Circuit System Malfunction in a Mitsubishi?

- Yes, extreme temperatures or moisture exposure can impact the components involved in the Electric Pump Relay Circuit System, potentially leading to malfunctions triggering the C161D code.