OBD code C1662 indicates a fault in the Parking Assist Electronic Control Unit (ECU) system.
Symptoms include the AntiLock Brake System (ABS) and Engine warning lights being illuminated.
This issue is commonly caused by a faulty Parking Assist ECU, open/shorted harness, or poor electrical connection.
It is crucial to visually inspect the wiring harness and connectors for damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the c1662 OBD Code
The vehicle displays an error code C1662 indicating an issue with the cruise control brake switch circuit.
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Possible loss of ABS functionality.
- Brake pedal may feel different during braking.
Causes of the c1662 OBD Code
Possible triggers for fault code C1662 include issues with the brake pedal switch or wiring faults.
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- C1662 can be caused by a faulty Parking Assist ECU.
- A Parking Assist ECU harness that is open or shorted.
- A Parking Assist ECU circuit with a poor electrical connection.
Fixing Error Code c1662 Step By Step
To address fault code C1662, inspect the wiring harness for any damage or loose connections.
- To fix OBDII code C1662, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the ABS module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, perform a reset on the ABS module to clear any stored fault codes.
- Test drive the vehicle to see if the code returns.
- If the code persists, consider replacing the ABS module with a new one and program it to the vehicle as needed.
Cost Of Fixing c1662 Fault Code
Diagnosing and repairing fault code C1662 may involve inspecting and testing the vehicle’s suspension system components.
The cost to diagnose and fix OBD code C1662 depends on the estimated 1. 0hour repair time.
Labor rates range from $75 to $150 per hour, so the general cost could be between $75 and $150. The final cost may vary based on shop rates and the complexity of the repair.
Details of the c1662 OBD Code
Code C1662 relates to an issue with the cruise control brake switch circuit.
OBD code C1662 means that there is a fault in the suspension system pressure sensor circuit.
This code is triggered by the suspension control module when it detects a problem with the pressure sensor circuit.
The suspension system pressure sensor is responsible for monitoring the pressure in the suspension system to ensure proper operation and performance.
When this sensor circuit malfunctions, it can lead to issues with the suspension system’s ability to adjust and maintain the correct pressure levels, affecting the vehicle’s ride quality and handling.
Mechanic’s Tech Notes
Code C1662 indicates a fault in the cruise control brake switch circuit.
OBDII code C1662 indicates a communication error between the transmission control module (TCM) and the engine control module (ECM).
To diagnose, check TCM power and ground using a multimeter.
Use a scan tool to confirm TCM response over the Controller Area Network (CAN) network.
Visually inspect wiring harnesses and connectors for damage, and check connector pins for issues like corrosion or bending.
Reflashing the TCM may be necessary to resolve the communication problem.
FAQ
OBD code C1662 indicates a fault in the Parking Assist ECU system. Symptoms include ABS and Engine warning lights. Check ECU, harness, and connections for issues.
Common symptoms for OBD code C1662 include ABS warning light on, engine light on, caused by faulty Parking Assist ECU or related wiring issues. Fix: Inspect and repair wiring connections.
Diagnose OBD code C1662 by checking Parking Assist ECU and harness for faults. Inspect wiring for damage or poor connections. Repair as needed.
Wrap Up
If your ABS warning light is illuminated and you’re seeing OBDII code c1662, it may indicate a fault in the brake booster pressure sensor circuit.
This could be caused by a damaged sensor, wiring issue, or poor electrical connection.
To address OBDII code c1662, start by inspecting the brake booster pressure sensor and its wiring harness for any visible damage.
Test the sensor’s electrical connectors for proper connection and continuity.
Replace the sensor if necessary and ensure all connections are secure to resolve the issue.
