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.
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HOMESERVICE MANUALSJEEP2011WRANGLER SPORT, STANDARDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSELECTRONIC SHIFT MODULE (ESM) - ELECTRICAL DIAGNOSTICSDIAGNOSTIC CODE INDEX
2011 Jeep Wrangler Sport, Standard
Diagnostic Code Index
2011 Jeep Wrangler Sport, StandardSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| 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) |
RENDER: 1.0x
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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.