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.
2011 Jeep Grand Cherokee Laredo, 3.6 G, AWDFACTORY OEM SERVICE PROCEDURE
Electronic Shift Module (ESM) - Electrical Diagnostics
- Diagnostic Code Index
- DTC Troubleshooting
- P0562-Battery Voltage Low
- P0563-Battery Voltage High
- P0607-Ecu Internal Performance
- P0930-BTSI Control Circuit Low
- P0931-BTSI Control Circuit High
- P2775-AUTOSTICK Upshift Switch Circuit Performance
- P2779-AUTOSTICK Downshift Switch Circuit Performance
- U0002-Can C Bus Off Performance
- U0100-Lost Communication With The ECM/Pcm
- U0121-Lost Communication With Abs
- U0141-Lost Communication With IPM (FCM/TIPM)
- Standard Procedure
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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