P0638 on VOLKSWAGEN JETTA
What P0638 Means on Your VOLKSWAGEN JETTA
Real VOLKSWAGEN JETTA Owner Reports (Source: NHTSA Complaints Database)
"My 2009 jetta sportwagen tdi has experienced a disturbing no-start condition several times. cranking the engine did not result in a start. only after repeated cranking (5-10 times) did the car actually start."
"Dealership performed 90k mile checkup. also asked them to determine if cel p0472 was covered by warranty. they confirmed code, and said not covered under any warranty. the also advised the car is showing intermittent code of p0638 for throttle actuator control (bank 1)."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0638 on VOLKSWAGEN JETTA
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
-
1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
-
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
-
3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.