P1662 Pontiac Code - Cruise Control Inhibit Control Circuit Conditions
Quick Answer
Quad Driver Modules (QDM) are used by Powertrain Control Module (PCM) to turn on current driven devices needed to control various engine and transaxle functions. Common causes include Check Servo Motor Cruise Control (SMCC) module ignition feed fuse, Faulty Servo Motor Cruise Control (SMCC) module, Servo Motor Cruise Control (SMCC) module 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
- P1662 Pontiac indicates Cruise Control Inhibit Control Circuit Conditions.
- Common causes
- Common causes include Check Servo Motor Cruise Control (SMCC) module ignition feed fuse, Faulty Servo Motor Cruise Control (SMCC) module, Servo Motor Cruise Control (SMCC) module 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 P1662 Pontiac Description
What are the Possible Causes of the DTC P1662 Pontiac?
- Check Servo Motor Cruise Control (SMCC) module ignition feed fuse
- Faulty Servo Motor Cruise Control (SMCC) module
- Servo Motor Cruise Control (SMCC) module harness is open or shorted
- Servo Motor Cruise Control (SMCC) module circuit poor electrical connection
How to Fix the DTC P1662 Pontiac?
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 P1662 Pontiac 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.
Need more information about the P1662 Pontiac code?
Need more information on how to fix the P1662 Pontiac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1662 Pontiac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1662 Pontiac Code
1. What does the OBDII code P1662 mean on a Pontiac?
P1662 indicates an issue with the Cruise Control Inhibit Control Circuit, meaning the system cannot properly disable or enable cruise control when required.
2. What are the common symptoms of code P1662 on a Pontiac?
Symptoms may include the cruise control not functioning, the cruise control light not turning on, or intermittent issues with maintaining a set speed.
3. What causes the P1662 code to trigger on a Pontiac?
Common causes include a faulty cruise control inhibit relay, damaged wiring or connectors in the circuit, or a malfunctioning Powertrain Control Module (PCM).
4. Can I still drive my Pontiac with a P1662 code?
Yes, but cruise control may not work properly, and it’s recommended to address the issue to prevent further electrical problems.
5. How is the P1662 code diagnosed?
A technician will check the wiring and connectors in the cruise control inhibit circuit, test the relay, and use a multimeter to verify voltage and ground signals.
6. Is the P1662 code related to other cruise control components?
Yes, it may be linked to the brake switch, throttle actuator, or other systems that interact with cruise control functionality.
7. How do you fix the P1662 code on a Pontiac?
Repairs might include replacing the cruise control inhibit relay, repairing or replacing damaged wiring, or reprogramming or replacing the PCM if necessary.
8. Can a dead battery cause the P1662 code to appear?
While unlikely, a low or dead battery may cause electrical issues that could lead to the code being stored.
9. How much does it cost to fix a P1662 code on a Pontiac?
Repair costs vary but typically range from $100 to $300, depending on whether you need to replace the relay or repair wiring.
10. Will clearing the P1662 code fix the problem?
Clearing the code without addressing the root cause will not fix the issue, and the code will likely return.
Discuss the causes and fixes for P1662 Pontiac OBDII Code
Code P1662 Pontiac comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
