P2102
Throttle Actuator Control Motor Circuit Low
2007-2012 Nissan Altima 2.5L I4
Critical SeverityPowertrainGeneric (SAE)
Description
Low voltage detected on the electronic throttle motor drive circuit.
Symptoms
- Limp mode
- Very limited throttle response
- Check engine light
Common Causes
- Short to ground in motor circuit
- Damaged wiring harness
- Corroded pins
- Internal motor short
Diagnostic Steps
- Measure voltage at throttle body connector
- Check wiring for chafing/shorts
- Test motor winding resistance
Repair Notes
Repair short circuit or replace throttle body.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2102 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 P2102 mean on a 2007-2012 Nissan Altima?
P2102 stands for "Throttle Actuator Control Motor Circuit Low". Low voltage detected on the electronic throttle motor drive circuit.
What are the symptoms of P2102 on a Nissan Altima?
Common symptoms of P2102 include: Limp mode, Very limited throttle response, Check engine light.
What causes P2102 on a 2007-2012 Nissan Altima?
Common causes of P2102 include: Short to ground in motor circuit, Damaged wiring harness, Corroded pins, Internal motor short.