This guide is customized for your 2014 Nissan SENTRA
P0671: P0671: Engine Control Module (ECM) Output Circuit Malfunction
on 2014 Nissan SENTRA
Important for 2014 Nissan SENTRA Owners
Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0671 Mean on 2014 Nissan SENTRA?
Symptoms
- • Engine misfires
- • rough engine idle
- • decreased engine performance
- • reduced fuel efficiency
- • and illuminated check engine light.
Common Causes
- • Faulty ECM output circuit
- • damaged or corroded wiring
- • loose connections
- • or a malfunctioning ECM.
How to Fix P0671 on 2014 Nissan SENTRA
1. Check and clean the ECM output circuit wiring and connections. 2. Inspect the ECM for any signs of physical damage or corrosion. 3. Replace the ECM if it's malfunctioning. 4. Check and replace any faulty fuses.
Need Maintenance Info for Your SENTRA?
Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.
View 2014 Nissan SENTRA SpecsParts for 2014 Nissan SENTRA
Essential Tool
Related Diagnostic Codes
Other codes that may appear with P0671
P0669: Engine Control Module (ECM) Output Circuit Malfunction
P0670: Engine Control Module (ECM) Output Circuit Malfunction
P0672: Computer Output Circuit Malfunction
P0673: Computer Output Circuit Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system