Throttle Actuator Control Motor Circuit High
2000-2000 Lamborghini Diablo 5.7L V12
The 2000 Lamborghini Diablo is equipped with a 5.7L V12 engine. Below you'll find detailed p2103 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
High voltage on the throttle motor circuit indicates a short to power or open ground.
Symptoms
- Limp mode
- Check engine light
- Throttle stuck partially open
Common Causes
- Short to voltage
- Open ground circuit
- Failed motor
- ECM driver issue
Diagnostic Steps
- Check for voltage at motor with key off
- Test ground circuit continuity
- Inspect wiring
Repair Notes
Repair wiring fault or replace throttle body assembly.
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
P2103 on Other Vehicles
Lamborghini Aventador
2011-2011 6.5L V12
Lamborghini Aventador
2012-2012 6.5L V12
Lamborghini Aventador
2013-2013 6.5L V12
Lamborghini Aventador
2014-2014 6.5L V12
Lamborghini Aventador
2015-2015 6.5L V12
Lamborghini Aventador
2016-2016 6.5L V12
Lamborghini Aventador
2017-2017 6.5L V12
Lamborghini Aventador
2018-2018 6.5L V12
Common Questions
What does code P2103 mean on a 2000-2000 Lamborghini Diablo?
P2103 stands for "Throttle Actuator Control Motor Circuit High". High voltage on the throttle motor circuit indicates a short to power or open ground.
What are the symptoms of P2103 on a Lamborghini Diablo?
Common symptoms of P2103 include: Limp mode, Check engine light, Throttle stuck partially open.
What causes P2103 on a 2000-2000 Lamborghini Diablo?
Common causes of P2103 include: Short to voltage, Open ground circuit, Failed motor, ECM driver issue.
Last updated: March 2026