Renault Super C1206 Engine Trouble Code
What is Renault Super C1206?
Renault Super C1206 code can indicate a faulty oxygen sensor, which may eventually damage the catalytic converter (repair cost: $2,000–$2,200). Professional diagnosis costs around $200–$210. Oxygen sensors are often straightforward to replace — check your owner's manual for location and instructions. This issue should be addressed promptly to prevent further damage.
C1206 on the Renault Super
Owners of the Renault Super should be aware that C1206 can appear alongside oil consumption warnings. Low oil pressure caused by a worn PCV system lets crankcase vapour contaminate the mass air flow sensor, sending erroneous readings to the ECU.
Code Information
| Code Type: | OBD-II Chassis (C) Trouble Code |
| System: | Chassis |
| Vehicle: | Renault Super |
| Brand: | Renault |
| Model: | Super |
| Code: | C1206 |
C1206 Renault Super Symptoms
Check Engine Light
Illuminated Renault Super dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration on the Renault Super
Starting Problems
Difficulty starting the engine
Poor Fuel Economy
Increased fuel consumption on the Renault Super
Increased Emissions
Failed emissions test due to C1206
C1206 Code Structure
Understanding what each digit means in the C1206 chassis trouble code:
| C | 1 | 2 | 0 | 6 |
|---|---|---|---|---|
| Chassis Code | Fuel And Air Metering | Manifold Absolute Pressure/Barometric Pressure Circuit High Input | Cold Start Injector 1 Malfunction | Ignition Coil A Primary/Secondary Circuit Malfunction |
How to Fix Renault Super C1206
Diagnostic Steps:
Regarding C1206, carefully inspect the wire harness near the intake manifold bracket, best accessed from below near the oil filter. Look for chafing, pinching, or damaged insulation.
Repair Solution:
VSS concerns may stem from noisy input signals caused by RFI/EMI from ignition wires, charging circuits, or aftermarket equipment. Verify VSS reads 0 mph when transmission is in Park.
Technical Notes:
C1206 DTC specifically relates to camshaft timing. When cam timing is over-retarded, the check-engine light illuminates and this code sets. Verify VCT solenoid operation and check for contamination.
Renault Super C1206 Repair Cost
Crankshaft reluctor ring inspection and replacement on the Renault Super is a major service item costing $600–$1,100. Given the labour required to access the component, it is advisable to replace the rear crankshaft seal and crankshaft position sensor simultaneously while the area is open.
C1206 Description
C1206 engine trouble code is related to Ignition Coil A Primary/Secondary Circuit Malfunction.
Main Cause
The primary reason for C1206 OBD-II Engine Trouble Code is: Manifold Absolute Pressure/Barometric Pressure Circuit High Input.
Common C1206 Misdiagnosis on the Renault Super
When C1206 triggers on the Renault Super, a flashing check-engine light (as opposed to a steady one) indicates an active misfire. Misfire codes are commonly misdiagnosed as sensor faults; always rule out ignition and fuel delivery issues before testing sensors.
DIY Repair Guide: C1206 on Renault Super
When replacing sensors on the Renault Super, always use anti-seize compound on the thread and dielectric grease on the electrical connector. This simple habit prevents the most common causes of sensor-related callbacks after repair.
Preventing C1206 on the Renault Super
Transmission fluid degradation on the Renault Super directly affects solenoid operation. Replacing ATF at 40,000-mile intervals (rather than the often-quoted 'lifetime fill' recommendation) is the best insurance against shift-solenoid codes including C1206.
Frequently Asked Questions — Renault Super C1206
A: C1206 is a standardised OBD-II code that can appear on any make and model. However, the specific components and circuits that trigger this code, and the repair procedures involved, vary significantly between vehicles. The information on this page is focused on the Renault Super.