C05B7Brake Booster Temperature Sensor C Circuit Intermittent/Erratic
Intermittent signal from brake booster temperature sensor C. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Chasis · ABS, frenos y suspensión
Afecta el chasis: sensores ABS, control de tracción, frenos o suspensión.
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Symptoms You Will Notice
What you may observe when this code appears
- ABS warning light on ESC/stability control deactivated Possible reduced brake assist Speedometer may behave erratically
Possible Causes
The components or conditions that trigger this code
- 1Connector loose Connector with intermittent contact under vibration Harness routed against vibrating component
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.5-3 hours. Estimated cost: €80-€
- 2Professional repair recommended
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
ABS / brake sensors
* Diagnosis only: $50–$150
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