The P060A: Internal Control Module Monitoring Processor Performance code points to a problem with the performance of the processor within the vehicle’s main computer, either the Engine Control Module (ECM) or the Powertrain Control Module (PCM). This issue can lead to various drivability problems and may affect the proper functioning of the vehicle’s systems.
P060A quick overview
| Meaning | P060A: Internal Control Module Monitoring Processor Performance |
| Is it serious? | This code is serious as it indicates a fundamental issue with the vehicle’s main computer, which can affect the vehicle’s performance and drivability. |
| Possible causes | – Faulty Engine Control Module (ECM) or Powertrain Control Module (PCM) – Electrical issues in the ECM/PCM circuit, such as short circuits or open circuits – Poor ground connections – Battery or alternator problems causing voltage irregularities – Software issues in the ECM/PCM |
| How to diagnose? | Inspect ECM/PCM: Check the Engine Control Module or Powertrain Control Module for physical damage or corrosion. Check Electrical Connections: Examine all wiring and connectors related to the ECM/PCM for damage or corrosion. Test Battery and Alternator: Ensure the battery and alternator are functioning correctly and providing stable voltage. Verify Ground Connections: Check all ground connections related to the ECM/PCM for security and corrosion. Consider Software Update: Check if there are any available updates or reprogramming needed for the ECM/PCM. Use Diagnostic Tools: Utilize appropriate diagnostic tools to further investigate the issue |
P060A Meaning
This code means there’s a problem with the main computer in your car, which controls many aspects of how your car runs. It’s like having an issue with the brain of the car. This can make your car drive poorly or cause other problems. It’s important to get it checked as soon as possible, as it might require repairs or updates to the computer. The process to fix it usually involves checking the computer itself, its wiring, and making sure it’s getting the right amount of power.
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How to fix P060A – learn from mechanics
I looked into P060A service cases at iatn.com website where in the private forums the mechanics seek advice from other mechanics. I looked up a bunch of cases to help you decide how to fix your issue and see what would a real mechanic do to solve it.
Case #1: Ford
Vehicle Information: 2013 Ford F-250 Super Duty King Ranch 6.7L
Issue + Repair History:
- Experienced poor idle, misfire, and reduced engine power.
- Customer previously added DEF fluid to the gas tank; fuel tank was dropped and cleaned out.
Computer Codes & Descriptions:
- P1208: Injector 8 Circuit Open/Short
- P0506: Idle Air Control System RPM Lower Than Expected
- P1292: Injector High Side Short to GND or vBatt Bank 2
- P060A: Internal Control Module Monitoring Processor Performance
Suggestions to Fix Issue:
- Check if DEF reached the fuel pump and injectors, as compression by the high-pressure pump can damage them.
- Remove the lower filter to check for DEF contamination in the fuel system.
- Follow Ford’s official procedure for handling DEF contamination in the fuel system.
Final Fix:
- The vehicle had an injection pump failure.
- Replaced the injection pump, resolving the issues.
Case #2: Honda
Vehicle Information: 2016 Honda Odyssey LX 3.5L
Issue + Repair History:
- Initially replaced alternator due to excessive AC voltage.
- Experienced intermittent code for internal PCM fault after alternator replacement.
- PCM was replaced with a new one from the dealer.
Computer Codes & Descriptions:
- P060A: PCM Internal Control Module Malfunction
Suggestions to Fix Issue:
- Conduct a wiggle test on the electrical connectors at the PCM and inspect for loose or backing out pins.
- Apply heat or cold to the PCM to check for possible cold soldered joints or connection issues.
- Test the battery for weakness or voltage ripple; consider replacing the battery and cleaning connections.
- Check for a bad ground on the alternator where it mounts to the bracket.
Final Fix:
- Unable to find any connection or cable problems.
- Battery was 2 1/2 years old and tested good, but a new battery was installed as a precaution.
- After replacing the battery, the vehicle had no further issues, indicating that this resolved the problem.
Case #3: Ford
Vehicle Information: 2009 Ford F-150 STX 4.6L
Issue + Repair History:
- Engine idling poorly, resembling a significant vacuum leak.
- No throttle response, vehicle in limp mode.
- Found multiple codes from various modules, including PCM, ABS, and others.
- Customer had recently installed a radio; found wiring in the radio area butchered.
- Observed intermittent unknown data packets on CAN network with a Pico scope.
Computer Codes & Descriptions:
- P060A: Internal Control Module Monitoring Processor Performance
- U0300: Internal Control Module Software Incompatibility
- C116A: ABS Module Code
- U3002: Occupant Module and Airbag Module Code
- B1318: GEM Module Code
- U0164, U0121, U0100, U0101, U0140: ICM Module Codes
Suggestions to Fix Issue:
- Repair and properly reconnect CAN high and low wires.
- Check all related wiring for proper connections and repair as needed.
- Inspect and replace any missing fuses, particularly for the PCM.
Final Fix:
- Discovered that one of the PCM fuses was missing.
- Replaced the missing fuse, cleared all codes, and repaired the CAN network wires.
- The vehicle operated normally after these repairs.
Case #4: Ford
Vehicle Information: 2012 Ford F-350 Super Duty King Ranch 6.7L
Issue + Repair History:
- Truck initially brought in for short block installation due to main bearing issue.
- Post-installation, experienced code P1291 and sluggish throttle response.
- Engine required extended cranking before starting.
- Found glow plug module plugged into the wrong harness.
- Poor power balance readings on cylinders 1-7-6-4.
- “Low fuel pressure” and “engine derate” messages displayed on the dash.
- New fuel filters installed correctly; ground wires properly connected.
Computer Codes & Descriptions:
- P1291: Injector High Side Short to Ground or VPWR
- P068A: ECM/PCM Power Relay De-Energized Too Early
- P060A: Internal Control Module Processor Performance
- P0203: Injector Circuit Open
Suggestions to Fix Issue:
- Reprogram PCM as per Ford’s instructions.
- Check for damage to the injector wire harness and repair if necessary.
- Verify proper connections at the PCM and related components.
- Consider potential impact on PCM due to incorrect harness connections.
Final Fix:
- Found the injector wire harness accidentally damaged and pinched against the engine head.
- Repaired the damaged wire, resolving the injector issue and restoring normal operation.
Case #5: Ford
Vehicle Information: 2006 Ford Crown Victoria Police Interceptor 4.6L
Issue + Repair History:
- Vehicle stalls on acceleration and will not restart until the ignition key is turned off.
- Initially had codes P2107 and P2110, indicating throttle actuator control (TAC) module processor and TAC forced limit issues.
- Replaced the throttle body assembly as per diagnostics, but the same codes returned.
- Noticed TPS voltage drop issues and replaced PCM, which led to new codes P060A, P2104, P0600, P2105, P2107, P2112.
- Observed misfire at idle, particularly in cylinders #4 and #3.
Computer Codes & Descriptions:
- P2107: TAC Module Processor
- P2110: TAC Forced Limit
- P060A: Internal Control Module Processor Performance
- P2104: TAC Forced Idle
- P0600: Serial Communication Link
- P2105: Throttle Actuator Control System – Forced Engine Shutdown
- P2112: Throttle Actuator Control System – Stuck Closed
Suggestions to Fix Issue:
- Check the underhood fuse box and harness connections for any signs of damage or water intrusion.
- Conduct a drag test on connector terminals to check for spread terminals.
- Consider using OEM parts instead of remanufactured components like Cardone for critical components like the PCM.
- Inspect for potential ignition coil issues, as faulty coils can cause voltage spikes affecting the PCM.
Final Fix:
- Discovered accidental damage to the injector wire harness, causing shorting of bank 1 injectors.
- Repaired the damaged wire, which resolved the stalling issue and cleared the codes.
How to diagnose P060A
I made you an overview of solving this DTC, based on all the advice that was suggested by certified mechanics to address this issue in previously mentioned service cases.
| Common Advice for Solving Codes | Brief Description of Diagnostic Step |
|---|---|
| Check Wiring and Connectors | Inspect wiring harnesses and connectors for damage, corrosion, or loose connections. |
| Inspect Ground Connections | Verify all ground connections are secure and free of corrosion. |
| Examine the Battery and Alternator | Test the battery and alternator for proper functioning and replace if necessary. |
| Reset and Update the PCM | Consider resetting the PCM and checking for any software updates. |
| Test Ignition Coils | Check the ignition coils for signs of failure or voltage spikes affecting the PCM. |
| Perform a Thorough Visual Inspection | Carefully inspect all related components and areas for any overlooked issues. |
| Use OEM Parts | Prefer OEM parts over aftermarket or remanufactured parts for critical components. |
| Check for Common Faults | Investigate known issues or common faults related to the specific vehicle model. |
Car Diagnostics Training
- Car Electrical basics
- OBD-II scanner basics
- How to use an OBD reader
- Introduction to a Bi-directional Scan tool
- OBD scanner buyer’s guide + discounts
I test OBD-II scanners and make DIY Engine diagnostics guides to help you solve your car problems without having to depend on the mechanic. A lot of them will try to scam you or are just no help at all. About Juraj Lukacko