P060C: Internal Control Module Main Processor Performance

P060C reports a fault in the main processor that actually runs the engine, found either by the monitoring processor (Ford 'quizzer', level 3) or by duplicate storage and recalculation (GM). Typical findings are corrupted RAM or ROM data, arithmetic unit errors, memory address violations, a wrong program sequence or internal supply or temperature out of range (Ford diesel: internal voltage outside 1.3–3.3 V, 5 s). GM's 2025 petrol table flags a torque compensation outside ±52.9 Nm for 475 ms and sets the code in the first trip. Reactions range from reduced power to engine shutdown. Software is the most common cause: GM (2022 full-size trucks and SUVs), VW (Tiguan 2021, with cruise control faults), Nissan and Mercedes (transmission module, E-Class hybrid) fixed it by reprogramming.

Symptoms

• Check engine light on
• Reduced power or limp mode
• Driver assistance such as adaptive cruise unavailable
• Rarely stalling or no start
• Transmission limp mode if the transmission module is affected

Most likely causes

• Faulty module software (update available)
• Unstable supply voltage or poor ground at the module (weak battery, voltage spikes)
• Internal hardware defect (memory, processor)
• Overheating or moisture in the module

What to check, in order

Start with the simplest. You can tick off each step.

1. Check the battery and grounds
2. Compare the reading with other engine data while varying the engine speed.
3. Clear the code and see if it returns
4. If it is a reference voltage code, disconnect sensors one at a time and see if the voltage recovers
5. Check whether a software update is available
6. Do not replace the control module without a full diagnosis

Good to know

• Repair difficulty: hard
• It can trigger limp mode.
• It affects emissions.

What each character of P060C means

• P: Powertrain: engine and transmission
• 0: Generic code: same on every make
• 6: Control modules and outputs
• 0C: Specific fault in that system

Frequently asked questions

Can I keep driving with code P060C?

It depends on the symptoms. If the car is running normally you can go to a repair shop; if it goes into limp mode, drive as little as possible.

What causes code P060C?

The most common causes are: faulty module software (update available); unstable supply voltage or poor ground at the module (weak battery, voltage spikes); internal hardware defect (memory, processor).

Related codes

• P060AInternal Control Module Monitoring Processor Performance
• P060BInternal Control Module A/D Processing Performance
• P0606Control Module Processor
• P0604Internal Control Module Random Access Memory (RAM) Error
• P0605Internal Control Module Read Only Memory (ROM) Error
• P061BInternal Control Module Torque Calculation Performance

Sources

• law.cornell.edu: 13 CCR 1968.2
• fordservicecontent.com: obd summary diesel 2023
• gsi.ext.gm.com: 25OBDG03A
• static.nhtsa.gov: MC 10232273 0001

Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.