U0136 on 2013-2018 Buick Encore (AWD) — Lost Communication With Differential Control Module – Rear
1 vehicles · 1 makes · $500-$1,100 repair
Most Reported On
U0136 is an OBD-II diagnostic trouble code meaning “Lost Communication With Differential Control Module – Rear.” Sets when a module loses data-bus communication with the rear Differential Control Module (electronic/active or e-locker rear differential) and no longer receives its expected messages. This code is most commonly reported on 2013-2018 Buick Encore (AWD), with repair costs ranging from $500 to $1,100.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
This is a network/communication code. A basic engine-code reader will not show it — you need a scanner that reads all modules. These read U0136.
One caveat that applies to every scanner: only powertrain codes are standardised across manufacturers. Body, chassis and network coverage is "enhanced" diagnostics, and how deep it goes varies by make and model year — check your specific vehicle against the tool's coverage list before buying.
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level tablet with all-system coverage and bi-directional control, so you can command a module rather than only read it.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
What you can do yourself, and what needs a shop
Reading the code, clearing it, and watching whether it returns is a driveway job with the right scanner. These steps are not:
- Module programming or software updates — needs the manufacturer software or a J2534 pass-through with a paid subscription.
- Replacing a control module — most are VIN-programmed and immobilizer-registered, so a new one does nothing until it is coded to your car.
- Airbag/SRS component work — a stored fault can deploy a live device.
If the vehicle is still under warranty, check for an open recall or technical service bulletin before buying anything — the repair may already be covered.
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
FAQ
What does U0136 mean?
U0136 stands for "Lost Communication With Differential Control Module – Rear." Sets when a module loses data-bus communication with the rear Differential Control Module (electronic/active or e-locker rear differential) and no longer receives its expected messages.
What are the most common causes of U0136?
The most common causes of U0136 are: Open or shorted bus wiring to the rear differential module, Corroded or loose connector, Blown fuse / lost power or ground, Low battery voltage, Failed rear differential control module. The specific cause varies by vehicle.
How much does it cost to fix U0136?
Repair costs for U0136 range from $500 to $1,100, depending on the vehicle and root cause.
Which vehicles are affected by U0136?
Au7o has documented U0136 across 1 vehicle models from 1 manufacturers: Buick.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.