DTC P2106: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2106 DETECTION & CONDITION POSSIBLE CAUSES

DTC P2106 Throttle actuator control system-forced limited power
DETECTION CONDITION 
  • The PCM monitors the throttle actuator control current when the ignition switch is on. If the control current is less than 8 A or more than 11 A  , the PCM determines that the throttle actuator control system is under forced limited power.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Throttle actuator malfunction
  • Connector or terminal malfunction
  • Open circuit in wiring harness between throttle body terminal A and PCM terminal 1B
  • Short to power supply in wiring harness between throttle body terminal A and PCM terminal 1B
  • Short to ground in wiring harness between throttle body terminal A and PCM terminal 1B
  • Open circuit in wiring harness between throttle body terminal B and PCM terminal 1C
  • Short to power supply in wiring harness between throttle body terminal B and PCM terminal 1C
  • Short to ground in wiring harness between throttle body terminal B and PCM terminal 1C
  • PCM malfunction
G04562681Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.