AutoCodes – Mitsubishi – C161E Mitsubishi

C161E Mitsubishi Code - Electric Pump Relay Circuit System Stuck

Quick Answer

The All Wheel Control (AWC) ECU controls the electric pump by the information from AWC pressure sensor and 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: C161E Mitsubishi indicates Electric Pump Relay Circuit System Stuck.
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 4,934

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 C161E Mitsubishi Description

The All Wheel Control (AWC) ECU controls the electric pump by the information from AWC pressure sensor and electric pump relay. The code is set when the electric pump operation signal is output from AWC-ECU, and when the AWC pressure sensor signal is not reached the specified pressure after the specified time has elapsed.

OBDII Code C161E Mitsubishi - Electric Pump Relay Circuit System Stuck - AutoCodes.com — C161E Mitsubishi Code - Electric Pump Relay Circuit System Stuck

What does this mean?

What are the Possible Causes of the DTC C161E 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
Faulty Electric Pump

How to Fix the DTC C161E 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 C161E 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 C161E Mitsubishi code?

Need more information on how to fix the C161E 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 C161E Mitsubishi Code

1. What are the common symptoms of OBDII code C161E in a Mitsubishi related to the Electric Pump Relay Circuit System Stuck?

- Common symptoms include the electric pump not functioning, poor engine performance, and the illumination of the Check Engine Light.

2. What are the potential causes of OBDII code C161E in a Mitsubishi?

- Possible causes include a faulty electric pump relay, wiring issues, a defective electric pump, or a problem with the engine control module.

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

- To diagnose this issue, you can use an OBDII scanner to read the trouble code, check the electric pump relay and related wiring for any visible damage, and perform a thorough inspection of the electric pump.

4. Can I continue driving my Mitsubishi with OBDII code C161E present?

- It is not recommended to drive your Mitsubishi with this code present, as it can lead to further damage to the electric pump or other components of the vehicle.

5. How can I repair OBDII code C161E related to the Electric Pump Relay Circuit System Stuck in my Mitsubishi?

- Repairing this issue may involve replacing the electric pump relay, repairing any damaged wiring, replacing the electric pump if necessary, or reprogramming the engine control module.

6. Is it possible to reset the OBDII code C161E in a Mitsubishi without fixing the underlying issue?

- While you can clear the trouble code with an OBDII scanner, it is important to address the root cause of the problem to prevent the code from recurring.

7. Will OBDII code C161E cause any long-term damage to my Mitsubishi if left unaddressed?

- Ignoring this code can lead to potential damage to the electric pump, decreased fuel efficiency, and other related issues, so it is best to address it promptly.

8. Are there any preventive maintenance tips to avoid encountering OBDII code C161E in my Mitsubishi?

- Regularly inspecting the electric pump relay, wiring, and electric pump for any signs of wear or damage can help prevent issues that may trigger this trouble code.

9. Can a DIY enthusiast with basic automotive skills repair OBDII code C161E in a Mitsubishi?

- Depending on the specific cause of the issue, some DIY enthusiasts may be able to address this problem by following repair guides and using the necessary tools.

10. How long does it typically take to repair OBDII code C161E related to the Electric Pump Relay Circuit System Stuck in a Mitsubishi?

- The repair time can vary based on the exact cause of the issue and the complexity of the repair, but it may take anywhere from a few hours to a full day to complete the necessary repairs.