Left Front Position Sensor Malfunction (GM)
The C0615 code means the vehicle's onboard diagnostic system has detected: Left Front Position Sensor Malfunction (GM). This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $150 - $1,200 (position sensor or wiring; compressor or damper components at the high end)
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What Are the Symptoms of C0615?
- Ride height wrong or vehicle sagging
- Harsh or floaty ride
- Compressor running excessively or not at all
What Causes C0615? (Most Likely First)
- Fault in the electronic suspension/level control component this code names (Left Front Position Sensor Malfunction) High
- Damaged wiring or a corroded connector in that circuit - road-splash zones corrode connectors High
- Failed related sensor or actuator Moderate
- Control module fault Low
Can I Still Drive with C0615?
Yes, but fix soon. C0615 is rated moderate severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring the light.
Frequently Asked Questions
What does C0615 mean?
C0615 is a chassis code used primarily by GM vehicles: Left Front Position Sensor Malfunction. It concerns the electronic suspension/level control system.
Can I keep driving with C0615?
Generally yes; the electronic suspension/level control system may be degraded. Diagnose soon, and treat any brake- or steering-related behavior change as urgent.
Is C0615 the same on every make?
The decimal C0xxx range is dominated by GM's assignments (Chevrolet, GMC, Buick, Cadillac). Other makes may use this ID differently - if your vehicle is not a GM product, verify the meaning in your make's service information.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose C0615?
-
Read the code with a GM-capable scan tool and note the symptom byte/subcode if shown.
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View live data for the named circuit (e.g. all four wheel speeds while rolling for wheel-speed codes).
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Inspect the circuit's wiring and connectors - chassis harnesses live in the splash zone and corrode first.
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Follow the GM pinpoint test for C0615 before replacing components.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get C0615?
- Chevrolet, GMC, Buick, Cadillac (GM chassis code range)
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