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U0140 on JEEP CHEROKEE

Lost Communication With Body Control Module

NHTSA Reports
3
Severity
Medium
Most Affected
2014, 2015, 2019
Crashes / Fires
0 / 0
Source: NHTSA Complaints Database · SAE J2012

What U0140 Means on Your JEEP CHEROKEE

U0140 is a diagnostic trouble code indicating: Lost Communication With Body Control Module. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 JEEP CHEROKEE owners have reported this issue to NHTSA across model years 2014-2019. Most reports come from the 2014, 2015 model years.

Real JEEP CHEROKEE Owner Reports

Source: NHTSA Complaints Database

"1st incident- 9/1/15- driving in interstate traffic when w/o warning jeep lost power, immediately slowed as if it dropped gears and went into neutral, "service parking brake" message flashed and said to put in park/turn car off/restart."

— 2014 JEEP CHEROKEE owner · POWER TRAIN,VEHICLE SPEED CONTROL,SERVICE BRAKES · Filed 09/01/2015

"10nov14 returned the car to the dealer for p56 recall.24nov14 mil turned on while driving w/ 1099 miles. returned car to a dealer in thousand oaks.tech resets mil & erased codes. 4mar15 mil turned-on again w/ 4375 miles on the car."

— 2015 JEEP CHEROKEE owner · POWER TRAIN,AIR BAGS · Filed 11/24/2014

"The contact owns a 2019 Jeep Cherokee. The contact stated that while driving at an undisclosed speed, the message "Service 4WD" was displayed on the instrument panel. The vehicle was taken to Firestone, where it was diagnosed, and DTC: C14A7-97 was retrieved."

— 2019 JEEP CHEROKEE owner · POWER TRAIN · Filed 02/06/2026

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1
'14
1
'15
1
'19

Common Causes on JEEP CHEROKEE

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,VEHICLE SPEED CONTROL,SERVICE BRAKES 33.3%
POWER TRAIN,AIR BAGS 33.3%
POWER TRAIN 33.3%

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.

  2. 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. 3
    Compare repair quotes

    Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does U0140 mean on a JEEP CHEROKEE? ▾
U0140 indicates: Lost Communication With Body Control Module. This is a network communication code. 3 JEEP CHEROKEE owners have reported this to NHTSA.
What are the most common causes of U0140 on JEEP CHEROKEE? ▾
Based on 3 NHTSA reports, the most commonly cited components are: Power Train,Vehicle Speed Control,Service Brakes, Power Train,Air Bags, Power Train. These percentages are based on the component field in owner complaints.
Is U0140 serious on my JEEP CHEROKEE? ▾
Of 3 NHTSA reports for this code on JEEP CHEROKEE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.
What should I do if my JEEP CHEROKEE shows U0140? ▾
1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

U0140 on Other Vehicles

FORD ESCAPE
2 reports
→ All codes reported on JEEP CHEROKEE