| Issue ID | 1371889 |
| Internal NHTSA # | 10979230 |
| Manufacurer | Chrysler (FCA US LLC) |
| Brand | JEEP |
| Model | GRAND CHEROKEE |
| Model Year | 2014 |
| File date | 05/11/16 |
| Component | VEHICLE SPEED CONTROL |
| Product type code | VEHICLE |
| Description of the problem | Multiple problems with the forward collision warning (fcw) and adaptive cruise control (acc) systems 1) system will issue false brake warnings (and apply brakes if enabled) on clear straight roads with no other cars or obstructions. 2) system will disable itself at random intervals disable itself for a period of time (10-20 minutes). Only notification is brief "fcw/acc system disabled" notification in gauge cluster - no audio warning that important safety system disabled itself. 3) when using acc, when vehicle resumes set speed after autonomous braking, vehicle will accelerate into back of next vehicle ahead - have to manually intervene and apply brakes to prevent collision. Note that this vehicle uses a bosch lrr3 radar sensor system for the fcw and acc features. Vehicle has been into jeep dealers for service for this issue five times, and even after opening star case with jeep/chrysler fca, still no fix for this serious safety issue. |
| Vehicle Mileage at Failure | 20000 |
| Number of Occurences | |
| Source of the issue | NHTSA WEB SITE |
| City and State | COLUMBUS, NJ |
| VIN pattern | 1C4RJFJG3ECXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | N |
| Was part original equipment? | |
| No. of injured persons | |
| No. of fatalities | |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 65 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |