P1526 GMC Possible Causes
- Faulty Throttle Position (TP) Sensor
- Throttle Position (TP) Sensor harness is open or shorted
- Throttle Position (TP) Sensor circuit poor electrical connection
First diagnose P1526 GMC code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the P1526 GMC code
Labor: 1.0The cost of diagnosing the P1526 GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1526 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1526 GMC MeaningWith the engine speed under 250 rpm, system volts over 10v, Engine Coolant Temperature (ECT) sensor input 41°F-212°F, Intake Air Temperature (IAT) sensor input over 41°F, VSS at 0 mph, Accelerator Pedal Position (APP) sensor input less than 15%, Minimum Closed Throttle position not learned, the Powertrain Control Module (PCM) detects the Throttle Position (TP) sensor 1 input was not between 0.24v-0.82v, and that the TP sensor 2 input was not between 4.2v-4.8v with the throttle valves commanded closed.
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