Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Jeep Cherokee Altitude, FWDFACTORY OEM SERVICE PROCEDURE
Module, Electronic Shift (ESM), 948TE
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| P0606-49 | INTERNAL CONTROL PROCESSOR - INTERNAL ELECTRONIC FAILURE |
| P0929-1D | GEAR SHIFT LOCK SOLENOID/ACTUATOR CONTROL CIRCUIT 1 PERFORMANCE - CIRCUIT CURRENT OUT OF RANGE |
| P1C81-00 | SHIFT LEVER POSITION INDETERMINATE |
| P1C81-49 | SHIFT LEVER POSITION INDETERMINATE - INTERNAL ELECTRONIC FAILURE |
| P1C81-54 | SHIFT LEVER POSITION INDETERMINATE-MISSING CALIBRATION |
| P1C81-62 | SHIFT LEVER POSITION INDETERMINATE - SIGNAL COMPARE FAILURE |
| P1C81-78 | SHIFT LEVER POSITION INDETERMINATE - ALIGNMENT OR ADJUSTMENT INCORRECT |
| P1C84-63 | AUTOSTICK DISENGAGE FAILURE - CIRCUIT / COMPONENT PROTECTION TIME-OUT |
| P1C86-1D | PRNDL DISPLAY - CIRCUIT CURRENT OUT OF RANGE |
| P1C8B-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| P1C8B-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| U0001-88 | CAN C BUS OFF |
| U0074-00 | DEDICATED POWERTRAIN-D-PT-CAN BUS OFF |
| U0100-87 | LOST COMMUNICATION WITH ECM/PCM - MISSING MESSAGE |
| U0101-87 | LOST COMMUNICATION WITH TCM-MISSING MESSAGE |
| U0140-87 | LOST COMMUNICATION WITH BODY CONTROL MODULE-MISSING MESSAGE |
| U0401-86 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM - SIGNAL INVALID |
| U0402-86 | IMPLAUSIBLE DATA RECEIVED FROM TCM-SIGNAL INVALID |
| U0422-86 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE-SIGNAL INVALID |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.