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 MANUALSJEEP2024GRAND CHEROKEE L LIMITED, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 66 (2.0L - DTCS P0117 TO P0133)DTC TROUBLESHOOTINGP0121-THROTTLE POSITION SENSOR 1 PERFORMANCESET CONDITION
2024 Jeep Grand Cherokee L Limited, RWD
Set Condition
2024 Jeep Grand Cherokee L Limited, RWDSECTION Set Condition
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- When fault P2135 is active, the Powertrain Control Module (PCM) compares the difference between calculated Manifold Absolute Pressure (MAP) based on Throttle Position Sensor (TPS) 1 input and the sensed MAP. The same is done for TPS 2. If the PCM determines that the TPS 1 error is larger than the TPS 2 error, this fault is set.
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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.