Car Codes diagnostic trouble code
…al acceleration. ? Driveability improvements at higher altitudes. ? Software to improve acceleration during cruise control operation ? Software to correct a condition where DTC U11C3 - ESM Lost Communication With TCM On D-Pt CAN may have been displayed inste
Code interpretation
What U11C3 means
This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.
Driver experience
Symptoms you may notice
A stored diagnostic trouble code or a related system warning.
Test, do not guess
Possible causes
The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.
Evidence-led checks
Recommended diagnostic route
Save the complete scan and confirm the code against model-specific technical information before testing.
- Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
- Prove the basicsTest battery condition, system voltage, power and grounds.
- Identify the reporterConfirm the module that logged the code and check circuit integrity.
- Compare live dataReview commanded and actual values under the conditions that set the code.
- Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
- Verify the repairClear the code only after recording evidence, then confirm it does not return.
Vehicle fitment
Vehicle applicability
Jeep Grand Cherokee, Jeep Wrangler
Before clearing
Can the code be cleared?
Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.
Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.
Verified public evidence
Manufacturer and model coverage
14 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.
GRAND CHEROKEE · 2024 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE · 2025 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE · 2026 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE 4XE · 2024 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE · 2014 · Powertrain
…vy pedal acceleration. Driveability improvements at higher altitudes. Software to improve acceleration during cruise control operation Software to correct a condition where DTC U11C3 - ESM Lost Communication With TCM…
SourceGRAND CHEROKEE 4XE · 2025 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE 4XE · 2026 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE L · 2024 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE L · 2025 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE L · 2026 · Multiple/unspecified
…but no other modules do. - If multiple modules report the same LOC, the ESM is not the cause (its not a gateway module). 2. Read DTCs - Relevant codes:…
SourceGRAND CHEROKEE · 2014 · Powertrain
…al acceleration. ? Driveability improvements at higher altitudes. ? Software to improve acceleration during cruise control operation ? Software to correct a condition where DTC U11C3 - ESM Lost Communication…
SourceWRANGLER · 2022 · Multiple/unspecified
Shifter Binding Or "Service Shifter" Message On The Cluster. DTSs U11C3, U1069, U0074, U114C
SourceWRANGLER · 2023 · Multiple/unspecified
Shifter Binding Or "Service Shifter" Message On The Cluster. DTSs U11C3, U1069, U0074, U114C
SourceWRANGLER · 2024 · Multiple/unspecified
Shifter Binding Or "Service Shifter" Message On The Cluster. DTSs U11C3, U1069, U0074, U114C
Source