P1721 Fault Code
You can find information about the P1721 fault code on this page.
P1721 Short Description
"Gear 1 Incorrect Ratio"
Looking To Fix This Yourself?
By using a workshop/repair manual you could diagnose and even fix this issue yourself.
You can find a collection of free manuals containing loads of information specific to your car on our partner site.
View Workshop/Repair/Service Manuals ยปPopular Fault Codes
These are the most popular fault codes that people are searching for.