Powertrain, generic · Computer and auxiliary outputs

P061A Internal Control Module Torque Performance

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modePossible

Electronic throttle systems run a second, independent calculation on the same processor (level 2, at Ford 'IPC – independent plausibility check') that recomputes driver demand, permitted and actual torque and their inputs, and compares them with the main software. P061A is the result of the torque comparison: the commanded or estimated torque exceeds the permitted torque for the current operating point (Ford diesel 2023: within 0.1 s). The module reacts at once by limiting torque – RPM guard, pedal-follower mode, in severe cases engine shutdown. Ford petrol engines report it without the check engine light (CARB allows that for emission-neutral reactions), GM Europe as type C; GM North America does not use the code. Ram 6.7 L Cummins (2019) fixed it by reprogramming. Fix input sensor codes first, then check supply and ground, then look for a software update.

Likely causes

Engine module software or calibration fault (update available)
Contradictory inputs (pedal, throttle, air mass, cruise request) produce an implausible torque demand
Voltage dips, poor ground or supply at the module
Internal defect of the engine module
Unapproved power upgrade (torque model no longer fits)

Symptoms

  • Reduced power or limp mode, poor throttle response
  • Wrench, service or check engine lamp depending on the maker
  • Cruise control disabled
  • Rarely the engine shuts off

Repair estimate

DifficultyHardWorkshop job
Parts and labour€80–1,200
Time0.5–3 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

engine control modulecontrol module power supply

Related codes

P061BP060DP060CP0606P061CP2106

References: law.cornell.edu, fordservicecontent.com, fordservicecontent.com, saabwisonline.com.