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 MANUALSJEEP2008GRAND CHEROKEE OVERLAND, 5.7 2, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 6 (DIESEL - DTCS B10B3 TO P0092, DIAGNOSTIC PRE-TEST)
2008 Jeep Grand Cherokee Overland, 5.7 2, 4WD
Section 6 (Diesel - DTCS B10B3 To P0092, Diagnostic Pre-Test)
2008 Jeep Grand Cherokee Overland, 5.7 2, 4WDSECTION Section 6 (Diesel - DTCS B10B3 To P0092, Diagnostic Pre-Test)
WARNING: This page is about a different variant/trim than selected.
- Diagnostic Pre-Test
- B10B3-Cabin Heater 1 Control Circuit
- B10B7-Cabin Heater 2 Control Circuit
- B1138-Cabin Heater 3 Control Circuit Low
- B1139-Cabin Heater 3 Control Circuit High
- B113A-Cabin Heater 3 Control Circuit Open
- B1C32-Airbag Deployment Detected
- P0001-Fuel Quantity Control Circuit Open
- P0003-Fuel Quantity Control Circuit Low
- P0004-Fuel Quantity Control Circuit High
- P0030-02 Sensor 1/1 Heater Circuit
- P0031-02 Sensor 1/1 Heater Circuit Low
- P0032-02 Sensor 1/1 Heater Circuit High
- P0045-Boost Pressure Control Circuit Open
- P0046-Boost Pressure Control Circuit Performance
- P0047-Boost Pressure Control Circuit Low
- P0048-Boost Pressure Control Circuit High
- P0069-Manifold Pressure/Barometric Pressure Correlation
- P006D-Barometric Pressure/Inlet Pressure Correlation
- P0070-Ambient Air Temperature Sensor Stuck
- P0087-Fuel Rail Pressure Too Low
- P0088-Fuel Rail Pressure Too High
- P0089-Fuel Pressure 1 Control Performance
- P0090-Fuel Pressure 1 Control Circuit/Open
- P0091-Fuel Pressure 1 Control Circuit Low
- P0092-Fuel Pressure Control Circuit High
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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.