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
Node, Cabin Compartment (CCN)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1263 | COMPASS MAGNETIC FIELD PERFORMANCE |
| B127A | COMPASS PERFORMANCE |
| B1285 | PARK ASSIST DISABLE SWITCH PERFORMANCE |
| B1607 | HEADLAMP SWITCH INPUT CIRCUIT LOW |
| B1608 | HEADLAMP SWITCH INPUT CIRCUIT HIGH |
| B160A | PANEL DIMMER INPUT CIRCUIT LOW |
| B160B | PANEL DIMMER INPUT CIRCUIT HIGH |
| B168F | FRONT FOG LAMP SWITCH CIRCUIT STUCK |
| C15A7 | AIR SUSPENSION UP BUTTON STUCK |
| C15A8 | AIR SUSPENSION DOWN BUTTON STUCK |
| C2221 | FLASH: SERVICE 4WD LIGHT ILLUMINATED WITH C2221 STORED |
| C2312 | TRAC/ESP OFF SWITCH STUCK |
| C2316 | TERRAIN SWITCH STUCK |
| P0952 | AUTOSTICK INPUT CIRCUIT LOW |
| P0953 | AUTOSTICK INPUT CIRCUIT HIGH |
| P1103 | DC TO AC CONVERTER SWITCH STUCK |
| U0010 | CAN INTERIOR BUS |
| U0141 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
| U0159 | LOST COMMUNICATION WITH PARKING ASSIST CONTROL MODULE |
| U0161 | LOST COMMUNICATION WITH COMPASS MODULE |
| U0164 | LOST COMMUNICATION WITH HVAC CONTROL MODULE |
| U0184 | LOST COMMUNICATION WITH RADIO |
| U0197 | LOST COMMUNICATION WITH HANDS FREE PHONE MODULE |
| U0230 | LOST COMMUNICATION WITH POWER LIFTGATE MODULE |
| U1008 | LIN 1 BUS |
| U1191 | LOST COMMUNICATION WITH UPPER SWITCH BANK |
| U11B7 | LOST COMMUNICATION WITH TERRAIN SWITCH |
Factory Service Tools
Use the Manual With the Right Hardware
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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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