Electrical supply and module communication
Multiple warnings can share a single root cause such as low 12-volt voltage, a weak ground, water intrusion, a fuse-box supply fault or a disrupted vehicle network. Start with battery condition, charging output, cranking voltage and a complete module scan. Compare fault timestamps and communication patterns before condemning a module. Some later models include 48-volt mild-hybrid or high-voltage components requiring special precautions.
Manufacturer-specific considerations
A no-crank fault should be separated from crank/no-start. Verify starter authorization and supply before fuel or ignition tests; on newer models check gateway wake-up and key authorization when relevant.
Repair confirmation
After repair, verify several ignition and sleep/wake cycles, charging behavior and that all affected modules communicate.
The source research addresses Range Rover Evoque applications described as 2013–2017 (Range Rover Evoque L538). The correct testing depends on the exact year, engine, drivetrain and equipment.
Symptoms an owner may notice
No crank with 20-30 faults; B1087 and U0136 returned after clearing.
Push-button start does not crank, but the engine starts when power is applied to the starter ignition cable or when the scanner starter functional test is used with the button and brake pedal.
No crank and communication faults.
No crank from normal push-button request; starter/engine operate through direct or scan-tool command.
Codes documented in the research include B1087, U0136. A code indicates a monitored condition and is not proof that one particular component failed.
What diagnosis involves
The available case notes describe checks such as Measure CAN voltages; Check module power and grounds; Apply power to starter ignition cable; Scanner starter functional test. The actual vehicle must be evaluated before any repair recommendation.
Findings recorded in the cases included H 2.7 V, L 2.4 V; Good at ABS, TCM, PCM and differential module; Engine starts. These observations may guide testing but cannot be assumed on another vehicle.
Documented causes and repair decisions
In the researched cases, identified causes included Failed differential control module. A different vehicle with the same symptoms may have a different underlying problem.
Reported successful repairs in the research included Replace differential control module. These are external case outcomes, not claims that Mich’s performed those specific repairs.
If your Range Rover Evoque has a similar symptom, contact Mich’s Foreign Cars in Hickory, NC at 828-324-6012. Share the model year, engine, exact warning messages and the conditions when the problem occurs.