C1288 on Chevrolet Equinox
Factory diagnostic protocol and troubleshooting wire for fault code C1288 specifically for the Chevrolet Equinox (2020–2026, 1.5L Turbo 4-Cyl (LYX 175HP)).
1. Symptoms of C1288 on Chevrolet Equinox
When the Engine Control Module (ECM/PCM) on your Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)) logs fault code C1288, drivers commonly observe:
2. Most Likely Causes on Chevrolet Equinox
Historical warranty claims and technical repair bulletins for Chevrolet Equinox point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chevrolet Equinox
Monitor brake pressure transducer PID. It should read near 0 bar unpressed and climb smoothly to 80+ bar when pressing pedal. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Unplug ABS connector and check for bent pins or brake fluid contamination. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Replace the ABS HCU / pump assembly or send unit to a certified rebuilder to replace the internal pressure transducer. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Run scan tool automated bleed procedure to purge air from ABS valves, then bleed all 4 calipers. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Clear DTCs and road test to verify AdvanceTrac operation. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Equipment for Diagnosing Chevrolet Equinox (C1288)
Chevrolet Equinox OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chevrolet Equinox.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Chevrolet Equinox
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Equinox:
4. Chevrolet Equinox C1288 FAQs
What causes code C1288 to trigger on a Chevrolet Equinox?
On the Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)), C1288 is most frequently caused by Failed internal brake pressure transducer inside the ABS Hydraulic Control Unit (HCU) or Corroded pins in ABS module electrical connector.
Where is the OBD-II port located on my Chevrolet Equinox?
On the Chevrolet Equinox, the 16-pin DLC diagnostic connector is located Driver footwell above brake arm. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chevrolet Equinox with code C1288?
Caution. Normal hydraulic brakes work, but ABS, Traction Control, and AdvanceTrac are disabled. Given that C1288 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.