Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2005PICKUP F250 SUPER DUTY, 2D PICKUP, 5.4 5, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTION (EXCEPT DIESEL & HYBRID)DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P0606: POWERTRAIN CONTROL MODULE (PCM) INTERNAL COMMUNICATION ERROR
2005 Ford Pickup F250 Super Duty, 2D Pickup, 5.4 5, 4WD, Automatic
DTC P0606: Powertrain Control Module (PCM) Internal Communication Error
2005 Ford Pickup F250 Super Duty, 2D Pickup, 5.4 5, 4WD, AutomaticSECTION DTC P0606: Powertrain Control Module (PCM) Internal Communication Error
P0606 - POWERTRAIN CONTROL MODULE (PCM) INTERNAL COMMUNICATION ERROR
| Description: | P0606 indicates a register readback (PCM internal communications) error. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Internal PCM failure. Install a new PCM. For Electronic Throttle Control applications, an internal PCM failure, or an ETC system FMEM condition exists. Repairing the other DTCs can fix the P0606. |
||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Vehicles With Electronic Throttle Control (ETC) | The DTC is an indication of a failure mode in the electronic throttle control system, which includes the accelerator pedal position (APP) sensor, electronic throttle body (ETB), and powertrain control module (PCM). It is accompanied by other DTCs which provide repair direction. Diagnose and repair those DTCs, and the P0606 will not be reset. | ||
| All others | Make sure to check for aftermarket performance products before installing a new powertrain control module (PCM). If it is necessary to install a new PCM, refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . | ||
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.