Did you replace the throttle body assembly ?
P2135 - Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation
Description:
The powertrain control module (PCM) flagged a concern indicating that throttle position (TP) 1 and TP2 disagree by more than a calibrated limit.
Possible Causes:
- TP sensor shorted internally to VREF
- TP sensor harness is short to voltage
- TP sensor signal wires are short together
- Damaged TP sensor
Diagnostic Aids:
Compare the TP1 and TP2 PID values for a full sweep and correlation. Refer to the chart in pinpoint test DV. GO to Pinpoint Test DV .
Check the wiring harness for an open or a short circuit. Check the TP sensor for an internal open or short circuit. If no circuit concerns are present, install a new TP sensor.
Application
Key On Engine Off
Key On Engine Running
Continuous Memory
All
GO to Pinpoint Test DV .
your best bet , take it to a qualified repair shop.
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