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Home/DTC Codes/Nissan/Altima/2007-2012 2.5L I4/P2100
P2100

Throttle Actuator Control Motor Circuit Open

2007-2012 Nissan Altima 2.5L I4

Critical SeverityPowertrainGeneric (SAE)

Description

Open circuit detected in the electronic throttle body motor drive circuit.

Symptoms

  • Reduced power/limp mode
  • Check engine light
  • Throttle unresponsive
  • Engine may not rev above idle

Common Causes

  • Failed throttle body motor
  • Broken wiring
  • Corroded connector
  • ECM driver failure

Diagnostic Steps

  1. Check throttle body connector
  2. Measure motor resistance (2-7 ohms typical)
  3. Inspect wiring to ECM
  4. Test ECM motor driver output

Repair Notes

Replace throttle body assembly or repair wiring. ECM replacement rarely needed.

Related Codes

P2101Throttle Actuator Control Motor Circuit Range/PerformanceP2102Throttle Actuator Control Motor Circuit LowP2103Throttle Actuator Control Motor Circuit High

Other Powertrain Codes

P2100 on Other Vehicles

Nissan 200SX

1995-1998 1.6L I4 GA16DE

Nissan 200SX SE-R

1995-1998 2.0L I4 SR20DE

Nissan 240SX

1995-1998 2.4L I4 KA24DE

Nissan 300ZX

1990-1996 3.0L V6 VG30DE

Nissan 300ZX Twin Turbo

1990-1996 3.0L Twin-Turbo V6 VG30DETT

Nissan 350Z

2003-2006 3.5L V6 VQ35DE

Nissan 350Z

2007-2009 3.5L V6 VQ35HR

Nissan 370Z

2009-2020 3.7L V6 VQ37VHR

Common Questions

What does code P2100 mean on a 2007-2012 Nissan Altima?

P2100 stands for "Throttle Actuator Control Motor Circuit Open". Open circuit detected in the electronic throttle body motor drive circuit.

What are the symptoms of P2100 on a Nissan Altima?

Common symptoms of P2100 include: Reduced power/limp mode, Check engine light, Throttle unresponsive, Engine may not rev above idle.

What causes P2100 on a 2007-2012 Nissan Altima?

Common causes of P2100 include: Failed throttle body motor, Broken wiring, Corroded connector, ECM driver failure.

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