2020-2025 Nissan Sentra Loss of Power DTC P2100 P2101
Nissan has released TSB NTB25-005 for 2020-2025 Sentra models experiencing a loss of power. This issue is often accompanied by diagnostic trouble codes P2100 ('ETC MOT PWR-B1') or P2101 ('ETC FNCTN/CIRC-B1') stored in the Engine Control Module (ECM). The bulletin provides a revised diagnostic…
Also applies to
- Nissan Sentra
- 2021, 2022, 2024, 2025
Symptoms
Owners of 2020-2025 Nissan Sentra vehicles may experience a sudden or intermittent loss of power. This condition is typically accompanied by the Engine Control Module (ECM) storing specific diagnostic trouble codes (DTCs).
The primary symptom is a noticeable reduction in engine power, which can affect vehicle performance and drivability. Technicians will find DTC P2100 or P2101 logged in the ECM, indicating an issue with the electronic throttle control system.
Fault Codes / DTCs
When a 2020-2025 Nissan Sentra experiences a loss of power related to this issue, the following Diagnostic Trouble Codes (DTCs) may be stored in the Engine Control Module (ECM):
| Code | Description |
|---|---|
| P2100 | "ETC MOT PWR-B1" |
| P2101 | "ETC FNCTN/CIRC-B1" |
These codes specifically point to problems within the Electronic Throttle Control (ETC) motor power circuit or the ETC function/circuit itself, which directly impacts the vehicle's ability to regulate engine power.
Diagnosis / Trigger Conditions
This technical service bulletin (TSB) addresses situations where a 2020-2025 Nissan Sentra has a customer complaint of loss of power and either DTC P2100 or P2101 is stored in the ECM. The presence of these specific DTCs, along with the reported symptom, indicates the need for a targeted diagnostic approach.
Nissan has provided a revised Electronic Service Manual (ESM) procedure to confirm these DTCs and guide technicians through the diagnostic process. This procedure is critical for accurately identifying the root cause of the Nissan Sentra loss of power P2100 P2101 issue.
Repair Procedure Summary
For a 2020-2025 Nissan Sentra exhibiting a loss of power with DTC P2100 or P2101, technicians are instructed to follow a revised Electronic Service Manual (ESM) procedure for
Frequently Asked Questions
- What does DTC P2100 mean for my Nissan Sentra?
- DTC P2100, labeled as "ETC MOT PWR-B1," indicates a problem with the Electronic Throttle Control (ETC) motor power circuit in your Nissan Sentra. This can lead to a loss of engine power.
- What does DTC P2101 mean for my Nissan Sentra?
- DTC P2101, described as "ETC FNCTN/CIRC-B1," points to a malfunction in the Electronic Throttle Control (ETC) function or its associated circuit. This issue can cause your Nissan Sentra to experience a loss of power.
- What should I do if my Nissan Sentra is losing power?
- If your 2020-2025 Nissan Sentra is experiencing a loss of power, especially if accompanied by a check engine light, it is recommended to have it inspected by a Nissan dealer. They can diagnose the issue, check for DTCs like P2100 or P2101, and apply the appropriate service procedure.
- Is there a fix for the Nissan Sentra loss of power P2100 P2101 issue?
- Yes, Nissan Technical Service Bulletin NTB25-005 provides a revised diagnostic procedure for technicians to address the Nissan Sentra loss of power P2100 P2101 condition. This procedure helps identify and resolve the underlying cause of the issue.
- How do technicians confirm the P2100 or P2101 DTC?
- Technicians perform a specific confirmation procedure: turn the ignition ON for at least 2 seconds, start the engine and let it idle for 5 seconds, then check for the DTC. If "DTC CRNT detected" is confirmed, they proceed to the full DTC Diagnosis Procedure.
What Nissan Sentra owners report
Counted from the records in our database across 45 model years.
- 5,975
- Owner complaints
- 62
- Recalls
- 710
- Service bulletins
- 600
- Crashes reported
- 123
- Fires reported
- 523
- Injuries reported
The 2023 model year
20 complaints, the 39th most of 45 model years on file. Owners reported 1 crash, 0 fires and 2 injuries for this year, which also has 1 recall on file.
Engine, the system this article covers, accounts for 679 of 5,975 complaints (11%), including 3 for 2023.
Complaints by model year
| 2001 | 236 | |
|---|---|---|
| 2002 | 318 | |
| 2013 | 638 | |
| 2014 | 380 | |
| 2015 | 352 | |
| 2016 | 270 | |
| 2017 | 231 | |
| 2019 | 223 | |
| 2020 | 207 | |
| 2023 | 20 |
Most-reported systems
- Power Train — 1,287
- Electrical System — 839
- Air Bags — 779
- Engine — 679
- Engine And Engine Cooling — 650
Latest recalls for the 2023 model year
- 24V154000 — Air Bags (Feb 2024)
Recent owner reports about engine
The contact owns a 2023 Nissan Sentra. The contact stated that while driving approximately 40 MPH, the vehicle stalled and unintendedly decelerated. The vehicle was driven to the parking lot and came to a complete stop.
Read owner complaints →Upon purchasing the vehicle on December 21, 2024, I immediately noticed a delay in acceleration when pressing the gas pedal, particularly after the vehicle had been idling for some time.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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