2019 Jeep Jeep renegade 1.3L turbo Service 4wd light comes…

Thank you

I have identified the problem that there is a 4WD light that came on and you got the

error code C1252-86 

1. Check Control Massages (CCM) displayed:
2. Engine fault! Power loss” (CCM-ID: 29)
3. Powertrain malfunction!” (CCM ID: 633)

error code C2270-77

Definition: Eda Hall Sensor - Commanded Position Not ReachableCause:

1. check the drivetrain control module wiring harness and its socket
2. check the power transfer unit motor
3. rear propeller shaft motor
4. drive train control module (DTCM)
5. Failure Type: Commanded Position Not ReachableThis subtype is used for failures
6.  where the control module is unable to command a motor, 
7. solenoid, 
8. relay, etc.,
9. to move a piece of equipment to the commanded position either due to a failure in the actuator or its mechanical environment.

error code C2280-92

Definition: Eda Current - Performance Or Incorrect OperationDescription: When probing a circuit at an ECU harness connector, always use an appropriate back probing tool to prevent any possible damage to the terminals.Cause:

• PTU MOTOR (-) CIRCUIT SHORTED TO GROUND
• PTU MOTOR (+) CIRCUIT SHORTED TO GROUND
• PTU MOTOR (-) CIRCUIT OPEN OR HIGH RESISTANCE
• PTU MOTOR (+) CIRCUIT OPEN OR HIGH RESISTANCE
• PTU SENSOR 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
• PTU SENSOR 2 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
• PTU SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND
• PTU SENSOR 2 SIGNAL CIRCUIT SHORTED TO GROUND
• DRIVETRAIN CONTROL MODULE (DTCM)
• POWER TRANSFER UNIT (PTU)

if you can check these all will be appreciated or I would recommend you visit a local workshop that will be able to identify the root cause and also suggest what next repair options will be