The P2112 code on your 2022 Jeep Grand Cherokee indicates the throttle actuator control system has detected the throttle is stuck in a closed or near-closed position. This code affects your Grand Cherokee's 3.6L Pentastar V6, 5.7L HEMI V8, 6.4L SRT HEMI, or 2.0L turbocharged engine's electronic throttle system.
Understanding P2112 on Grand Cherokee
Code P2112 is similar to P2106 but specifically indicates the PCM has identified a stuck-closed condition through its monitoring algorithms. The throttle position sensors report the throttle remains at or near minimum opening despite PCM commands to open it, severely limiting engine power output.
Common Symptoms
- Check engine light on
- Engine will only idle
- No response to accelerator pedal
- Reduced engine power mode active
- Vehicle essentially undriveable
- May stall if throttle fully closed
- Electronic throttle warning light
Primary Causes
- Throttle body motor failure
- Severe carbon buildup jamming throttle
- Mechanical damage to throttle plate or shaft
- Ice formation in throttle body
- Foreign object jamming throttle
- Motor circuit open or high resistance
- Throttle body internal spring broken
Diagnostic Procedure for 2022 Grand Cherokee
With key off, attempt to manually move the throttle plate. Significant resistance or inability to move indicates mechanical binding. Inspect throttle bore for carbon, ice, or debris. Check motor circuit resistance - should be low (typically 1-5 ohms). Measure voltage at motor terminals when PCM commands throttle open. If voltage is present but throttle doesn't move, motor is likely failed. If no voltage, trace circuit for opens.
Repair Solutions
Remove debris or carefully clean carbon from throttle body if mechanical binding is due to deposits. For ice issues in cold weather, allow engine compartment to warm. If motor fails to operate with proper voltage applied, throttle body replacement is required. Repair any wiring opens found in motor circuit. After replacement, perform throttle body relearn procedure and verify full throttle operation.