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 MANUALSFORD2013EXPEDITION EL KING RANCH, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS (EXCEPT DIESEL & HYBRID) - DTC P164A - P2A04, DTC U0046- U300CDTC U0284: LOST COMMUNICATION WITH GRILLE SHUTTER CONTROL MODULE A
2013 Ford Expedition EL King Ranch, RWD
DTC U0284: Lost Communication With Grille Shutter Control Module A
2013 Ford Expedition EL King Ranch, RWDSECTION DTC U0284: Lost Communication With Grille Shutter Control Module A
DTC U0284: LOST COMMUNICATION WITH GRILLE SHUTTER CONTROL MODULE A
| Description: | The PCM continuously monitors the local interconnect network (LIN) communication line for messages from the grille shutter module. This DTC sets when the PCM does not receive the grille shutter module message within the defined amount of time. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Check for other PCM DTCs or PCM related symptoms. Diagnose all other PCM DTCs or PCM related symptoms first. |
||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QA . | ||
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.