The Lemon IndexThe engine computer found a fault in its own processor.
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
Failing engine computer. Then: poor power or ground to the module; needs reprogramming.
Owners named P0606 in 38 complaints to the U.S. government, most often on the Ford Fiesta.
Cars owners report it on
Complaints that name P0606, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2019 Chevrolet Silverado · 2016 Ford Fiesta · 2014 Ford Focus
The details
What P0606 means
The engine computer found a fault in its own processor. Stalling or limp mode can follow.
Can I drive with P0606?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
29% of the owner complaints that name P0606 also say the car warning lights and electrical faults. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0606
- Failing engine computer
- Poor power or ground to the module
- Needs reprogramming
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Warning lights and electrical faults: 29% of complaints
- Stalls or shuts off: 26% of complaints
- Loses power or goes into limp mode: 21% of complaints
- Brakes or ABS act up: 21% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0606 most
2019 Chevrolet Silverado (4), 2016 Ford Fiesta (4), 2014 Ford Focus (3).
Related codes
P0605 P0607 P060A P0601 P0600 P061A P061B P061C
Quick answers
What does P0606 mean?
Control Module Processor. The engine computer found a fault in its own processor. Stalling or limp mode can follow.
Can I drive with P0606?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
What causes P0606?
Failing engine computer; Poor power or ground to the module; Needs reprogramming.
Counts: NHTSA owner complaints whose text names P0606. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.