P1288 Cadillac Code - Accelerator Pedal Position Sensor 3 Circuit High Voltage
Quick Answer
The Accelerator Pedal Position (APP) sensors are located within the Throttle Actuator Control (TAC) module assembly. Common causes include Faulty Accelerator Pedal Position (APP), Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1288 Cadillac indicates Accelerator Pedal Position Sensor 3 Circuit High Voltage.
- Common causes
- Common causes include Faulty Accelerator Pedal Position (APP), Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1288 Cadillac Description
What are the Possible Causes of the DTC P1288 Cadillac?
- Faulty Accelerator Pedal Position (APP)
- Accelerator Pedal Position harness is open or shorted
- Accelerator Pedal Position circuit poor electrical connection
How to Fix the DTC P1288 Cadillac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1288 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1288 Cadillac Code
What does the OBDII code P1288 mean for a Cadillac?
P1288 indicates a high voltage issue in the circuit for Accelerator Pedal Position Sensor 3, which monitors the position of the accelerator pedal.
What are the common symptoms of code P1288 on a Cadillac?
Symptoms can include reduced engine performance, poor throttle response, the vehicle entering "limp mode," and the illumination of the check engine light.
What causes the P1288 code to appear?
Common causes include wiring issues, a faulty Accelerator Pedal Position Sensor 3, damaged connectors, or a malfunctioning throttle body.
Can I still drive my Cadillac with a P1288 code?
While the vehicle may still be drivable, performance may be severely reduced, and driving with this code for an extended period can lead to further damage.
How do I diagnose the P1288 code?
Inspect the wiring and connectors for damage, test the Accelerator Pedal Position Sensor 3 for proper voltage readings, and check for other related codes.
How can I fix the P1288 code on a Cadillac?
Repairs might include replacing the Accelerator Pedal Position Sensor 3, repairing damaged wiring or connectors, or updating the engine control module software.
What tools are needed to troubleshoot the P1288 code?
You’ll need an OBDII scanner, a multimeter for testing voltage and continuity, and potentially wiring repair tools.
How much does it cost to repair a P1288 code on a Cadillac?
Repair costs vary but can range from $100 to $300 for parts and labor, depending on whether a sensor or wiring needs replacement.
Does the P1288 code affect fuel efficiency?
Yes, the code can reduce fuel efficiency due to poor throttle control and engine performance.
Can a dirty throttle body trigger code P1288?
It’s less common, but a dirty throttle body could indirectly contribute to sensor-related issues or throttle performance problems.
Discuss the causes and fixes for P1288 Cadillac OBDII Code
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