P2435 GMC Code - Secondary Air Injection System Pressure Sensor Circuit Bank 2
Quick Answer
The secondary air injection system aids in the reduction of hydrocarbon emissions during a cold start. Common causes include Faulty Secondary Air Injection Pump Relay, Faulty Secondary Air Injection Pump, Secondary Air Injection Pump harness is open or shorted. 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
- P2435 GMC indicates Secondary Air Injection System Pressure Sensor Circuit Bank 2.
- Common causes
- Common causes include Faulty Secondary Air Injection Pump Relay, Faulty Secondary Air Injection Pump, Secondary Air Injection Pump harness is open or shorted.
- 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 P2435 GMC Description
Ignition voltage is supplied to the secondary air injection pump and air injection shutoff/check valve relays. The ECM controls the relays by grounding the control circuits, which activates the relays. When the relay contacts close, voltage is supplied to the pump and the valves, which turns the pump on and opens the valves.
The Diagnostic Trouble Code (DTC) will set when the ECM determines that the pressure sensor value change at either shutoff/check valve and the signal variation are not to factory specification when the air injection pump is commanded ON.
What are the Possible Causes of the DTC P2435 GMC?
- Faulty Secondary Air Injection Pump Relay
- Faulty Secondary Air Injection Pump
- Secondary Air Injection Pump harness is open or shorted
- Secondary Air Injection Pump circuit poor electrical connection
How to Fix the DTC P2435 GMC?
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 P2435 GMC 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 P2435 GMC Code
1. What are common symptoms of OBDII code P2435 GMC related to the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of OBDII code P2435 GMC indicating an issue with the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- Possible causes include a faulty secondary air injection pump, a defective pressure sensor, damaged wiring or connectors, or a clogged air filter in the system.
3. How can I diagnose the OBDII code P2435 GMC for the Secondary Air Injection System Pressure Sensor Circuit Bank 2 issue?
- Diagnosis typically involves using an OBDII scanner to read the code, inspecting the secondary air injection components for damage, and testing the pressure sensor for proper operation.
4. Can I continue driving my vehicle with OBDII code P2435 GMC triggered for the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- It is generally not recommended to continue driving with this code active, as it can lead to potential engine performance issues and further damage if left unresolved.
5. How can I repair OBDII code P2435 GMC related to the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- Repairs may involve replacing the secondary air injection pump or pressure sensor, repairing damaged wiring or connectors, and ensuring the system is free of any obstructions.
6. Are there any DIY tips for addressing OBDII code P2435 GMC regarding the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- DIY tips may include checking and cleaning the air filter, inspecting the wiring for any visible damage, and ensuring all connections are secure before seeking professional assistance.
7. Will resetting the check engine light resolve OBDII code P2435 GMC pertaining to the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- Simply resetting the check engine light will not fix the underlying issue causing the code. Proper diagnosis and repair are needed to resolve the problem effectively.
8. How much does it typically cost to repair OBDII code P2435 GMC associated with the Secondary Air Injection System Pressure Sensor Circuit Bank 2?
- The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Can a malfunction in the Secondary Air Injection System affect the overall performance of the vehicle?
- Yes, a malfunction in the Secondary Air Injection System can lead to decreased engine performance, reduced fuel efficiency, and potential damage to other components if not addressed promptly.
10. How often should the Secondary Air Injection System be inspected to prevent issues like OBDII code P2435 GMC from occurring?
- It is recommended to have the Secondary Air Injection System inspected during routine maintenance checks or whenever symptoms of a problem, such as rough idling or decreased performance, are noticed.
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