U0001 on JEEP CHEROKEE
High Speed CAN Communication Bus
What U0001 Means on Your JEEP CHEROKEE
U0001 is a diagnostic trouble code indicating: High Speed CAN Communication Bus. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real JEEP CHEROKEE Owner Reports
Source: NHTSA Complaints Database
"When I was driving the gear shift into Netural, all lights on gear shift were lit up red (Park, Reverse, Netural, Drive). The message said “Press brake, Put car in P, Select Gear”. This is so scary because it has happened twice to me."
"Check engine light comes on, codes are u1504, u1412, u0001, u1110, u1120, will not shift, 4wd temporary unavailable message comes on , stability traction light comes on, all shifter gear lights are on, this had happened 7 times since i purchased this jeep, engine has cut a couple of times during al"
"After starting car in morning, the shifter was put into drive. while shifter was in drive the light beside shifter was blinking. then a message popped up on the dash saying to put the vehicle in neutral or park."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on JEEP CHEROKEE
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.