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 MANUALSCHEVROLET2015CRUZE ECO, AUTOMATIC TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSKEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONSDIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM MALFUNCTION (PASSIVE)CIRCUIT/SYSTEM VERIFICATION
2015 Chevrolet Cruze Eco, Automatic Trans
Circuit/System Verification
2015 Chevrolet Cruze Eco, Automatic TransSECTION Circuit/System Verification
- Ignition ON.
- Verify that DTC B3119, B3120 or B3121 is not set.
- If any of the DTCs are setÂ
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If none of the DTCs are setÂ
- If any of the DTCs are setÂ
- Verify that the vehicle key is correct for the vehicle. This can be accomplished by comparing the part number printed on the key to the appropriate part number in the parts catalog.
- If the vehicle key is incorrectÂ
Replace the vehicle key.
- If the vehicle key is correctÂ
- If the vehicle key is incorrectÂ
- Verify the scan tool Exterior Driver Door Handle Switch, Exterior Passenger Door Handle Switch and Trunk Lid Exterior Unlatch Switch parameters change between Active and Inactive while operating their respective exterior door handle button/rear closure touch pad.
- If any of the parameters does not changeÂ
Refer to Exterior Door Handle Switch Malfunction .
- If all of the parameters changeÂ
- If any of the parameters does not changeÂ
- Lock the vehicle using the keyless entry transmitter.
- Verify that each door and the rear compartment unlocks and opens by approaching the vehicle with a valid transmitter and operating their respective exterior door handle button/rear closure touch pad.
- If both doors and the rear compartment do not unlock/unlatch and openÂ
Refer to Passive Transmitter Malfunction .
- If only one door or the rear compartment does not unlock/unlatch and openÂ
Refer to Antenna Circuit Malfunction .
- If both doors and the rear compartment unlocks/unlatches and opensÂ
- If both doors and the rear compartment do not unlock/unlatch and openÂ
- All OK.
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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.