Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
U11C3ESM Lost Communication With TCM On D-Pt CAN may have been displayed inste
U11C3ESM Lost Communication With TCM On D-Pt CAN may have been displayed instead of
U11C3ESM Lost Communication With TCM On D-Pt CAN may have been displayed inste
Manufacturer communications
6Original wording in English
JEEP
Symptoms/Condition: Shifter reports loss communication AND NO OTHER MODULES report the condition. Diagnostic: Please make sure ONLY shifter reports loss communication. If there are other modules reporting loss communication, then follow the existing service procedure Repair Procedure: 1. Verify Complaint - ESM reports a Loss of …
CHRYSLER
SHIFTER, Transmission For concern of Service Shifter Message in Cluster with associated DTCs: U11C3 and/or U11E3, please contact Zef Ivanaj at (586) 604-6738 or Neeshim Roy at (248) 512-1433 prior to replacing shifter assembly. If no response in 15 minutes, proceed with repair.
CHRYSLER
Electronic Shift Module If DTC's U11C3, U0074 are present Stored or Active, please contact Pemi Sabageh at cell (519) 300-0629 or David Dysarz at (248) 944-0310. If you do not receive a call within 15 minutes please proceed with the repair. Please return parts back to FCA Engineering if ESM is deemed non-functional after perform…
CHRYSLER, DODGE, JEEP, RAM
Flash: 845RE Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. The following TCM calibration improvements are available for vehicles equipped an 845RE Automatic Transmission (Sales Code DFL). These updates are listed by vehicle and engin…
Check vehicle applicability
34A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.