C1273 Pontiac Code - Right Front TCS Master Cylinder Isolation Valve Malfunction
Quick Answer
The system relay is energized when the ignition is ON. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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
- C1273 Pontiac indicates Right Front TCS Master Cylinder Isolation Valve Malfunction.
- Common causes
- Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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 C1273 Pontiac Description
What are the Possible Causes of the DTC C1273 Pontiac?
- Faulty Electronic Brake Control Module (EBCM)
- Electronic Brake Control Module (EBCM) harness is open or shorted
- Electronic Brake Control Module (EBCM) circuit poor electrical connection
How to Fix the DTC C1273 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 C1273 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.
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Frequently Asked Questions about C1273 Pontiac Code
1. What does the OBDII code C1273 mean on a Pontiac?
C1273 indicates a malfunction in the Right Front TCS (Traction Control System) Master Cylinder Isolation Valve, which is part of the vehicle's braking and stability control system.
2. What are the common symptoms of code C1273 in a Pontiac?
Symptoms may include the ABS or traction control light illuminating, reduced traction control functionality, and possibly a noticeable change in braking performance.
3. What causes the C1273 code to appear in a Pontiac?
Common causes include a faulty isolation valve, wiring issues such as damaged or corroded connectors, or a malfunctioning ABS control module.
4. Can I drive my Pontiac with the C1273 code active?
While the car may still be drivable, the traction control and ABS systems may not function properly, increasing the risk of skidding or loss of control in slippery conditions.
5. How is the C1273 code diagnosed?
A mechanic will typically use a scan tool to confirm the code, inspect the wiring and connectors for damage, and test the isolation valve and related components for proper operation.
6. Can a faulty wheel speed sensor cause the C1273 code?
No, the C1273 code specifically relates to the isolation valve in the braking system, not the wheel speed sensors.
7. What is the most common fix for code C1273 in a Pontiac?
The most common fix involves repairing or replacing the Right Front TCS Master Cylinder Isolation Valve, or addressing wiring and connector issues in the circuit.
8. How much does it cost to repair code C1273 on a Pontiac?
Repair costs can vary, but replacing the isolation valve typically costs between $200 and $500, including parts and labor.
9. Can clearing the C1273 code fix the problem?
Clearing the code will temporarily reset the warning light, but the underlying issue must be addressed to prevent the code from returning.
10. Is the C1273 code specific to Pontiacs?
No, the C1273 code can appear in other GM vehicles, but the specific component affected may vary depending on the make and model.
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