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 MANUALSJEEP2011COMPASS BASE, 2.4 B, FWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESTOTALLY INTEGRATED POWER MODULE (TIPM) - DTCS B2305 TO U1108DIAGNOSIS AND TESTINGP1278-STARTER CONTROL CIRCUIT 2 HIGHDIAGNOSTIC TEST

2011 Jeep Compass Base, 2.4 B, FWD, Standard

Diagnostic Test

2011 Jeep Compass Base, 2.4 B, FWD, StandardSECTION Diagnostic Test

DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE:
If P0615, P0616 or P0617 has set along with this DTC, diagnose those DTCs first before continuing.
1. Turn the Ignition on, engine not running.
2. Using the scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 2.
  No
  - Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. Refer to INTERMITTENT CONDITION
STARTER CONTROL OUTPUT VERIFICATION

Fig 1: Measuring Voltage Of Starter Control Output Circuit In TIPM Harness Connector
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect TIPM C10 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (T750) Starter Control Output circuit in the TIPM C10 harness connector.
  Is there any voltage present?
  
  Yes
  - Go To 3.
  No
  - Go To 4.
(T750) STARTER CONTROL OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE

Fig 2: Measuring Voltage Of Starter Control Output Circuit In TIPM Harness Connector
Courtesy of CHRYSLER LLC
1. Turn the ignition off
2. Disconnect the Starter (1-way) harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (T750) Starter Control Output circuit in the TIPM C10 harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (T750) Starter Control Output circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST for 2.0L and 2.4L.
  No
  - Replace the Starter in accordance with the Service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST for 2.0L and 2.4L.
TOTALLY INTEGRATED POWER MODULE
NOTE:
Before continuing, check the TIPM harness connector terminals for corrosion, damage or terminal push out. Repair as necessary.
1. Using the schematics as a guide, inspect the wire harness and connectors.
2. Pay particular attention to all Power and Ground circuits.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST for 2.0L and 2.4L.
  No
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to Standard Procedure .

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.