What Does P060D Mean?
P060D indicates that the ECM/PCM has detected an internal performance fault related to its accelerator pedal position (APP) signal processing. The ECM monitors the APP sensor signals and its own internal processing of those signals; this code means the internal processing does not match expected results. This is an electronic throttle control safety code. The driver will likely experience reduced engine power (limp mode) and the check engine light.
Safety Warning
Do not drive at normal speeds. This code directly affects electronic throttle control, which is a safety-critical system. The vehicle will likely enter reduced power mode (limp home), limiting speed to approximately 25-30 mph. If the APP signal is unreliable, the throttle could respond unpredictably. Have it towed if limp mode is not active.
Common Causes
35%
Internal ECM/PCM fault in the APP signal processing circuit
25%
Accelerator pedal position sensor fault or signal interference
20%
Wiring issue between APP sensor and ECM — high resistance, intermittent open, or cross-talk
12%
ECM 5V reference circuit fault affecting APP sensor input accuracy
8%
ECM software calibration issue in APP signal validation logic
Diagnostic Steps
1
Monitor both APP sensor voltage signals on the scan tool while slowly pressing the accelerator from idle to wide open throttle. APP1 should sweep smoothly from approximately 0.5V to 4.5V, and APP2 should sweep in the opposite direction or at a different ratio. Look for any flat spots, jumps, or erratic readings.
2
Check the ECM's 5V reference voltage at the APP sensor connector — it should read 4.9V-5.1V. If low, disconnect other sensors sharing the same reference to isolate a short pulling the voltage down.
3
Inspect the APP sensor wiring harness from the pedal to the ECM for chafing, moisture, or routing near high-voltage ignition components that could cause signal interference.
4
Measure APP sensor signal voltages directly at the ECM connector pins and compare to values at the sensor — any difference greater than 0.1V indicates wiring resistance that needs repair.
5
If the APP sensor, wiring, and reference voltage all test good, attempt an ECM reflash. If P060D persists, the ECM's internal APP processing circuit has failed and requires module replacement.
Estimated Repair Cost
$150 - $1,500
Parts + labor, varies by vehicle and location
P060D indicates that the ECM/PCM has detected an internal performance fault related to its accelerator pedal position (APP) signal processing. The ECM monitors the APP sensor signals and its own internal processing of those signals; this code means the internal processing does not match expected res...
The most common cause of P060D (Internal Control Module Accelerator Pedal Position Performance) is: Internal ECM/PCM fault in the APP signal processing circuit
Typical repair costs for P060D range from $150 to $1,500, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Do not drive at normal speeds. This code directly affects electronic throttle control, which is a safety-critical system. The vehicle will likely enter reduced power mode (limp home), limiting speed to approximately 25-30 mph. If the APP signal is unreliable, the throttle could respond unpredictably. Have it towed if limp mode is not active.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P060D to identify the root cause.
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Quick Info
Category
Powertrain
System
Electronic Throttle Control
Difficulty
Type
Generic (SAE)
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