C1288 on Buick Enclave
Factory diagnostic protocol and troubleshooting wire for fault code C1288 specifically for the Buick Enclave (2020–2026, 3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP)).
1. Symptoms of C1288 on Buick Enclave
When the Engine Control Module (ECM/PCM) on your Buick Enclave (3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP)) logs fault code C1288, drivers commonly observe:
2. Most Likely Causes on Buick Enclave
Historical warranty claims and technical repair bulletins for Buick Enclave point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Buick Enclave
Monitor brake pressure transducer PID. It should read near 0 bar unpressed and climb smoothly to 80+ bar when pressing pedal. on the Buick Enclave equipped with 3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP).
Unplug ABS connector and check for bent pins or brake fluid contamination. on the Buick Enclave equipped with 3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP).
Replace the ABS HCU / pump assembly or send unit to a certified rebuilder to replace the internal pressure transducer. on the Buick Enclave equipped with 3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP).
Run scan tool automated bleed procedure to purge air from ABS valves, then bleed all 4 calipers. on the Buick Enclave equipped with 3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP).
Clear DTCs and road test to verify AdvanceTrac operation. on the Buick Enclave equipped with 3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP).
Equipment for Diagnosing Buick Enclave (C1288)
Buick Enclave OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Buick Enclave.
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 Buick Enclave
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Buick Enclave:
4. Buick Enclave C1288 FAQs
What causes code C1288 to trigger on a Buick Enclave?
On the Buick Enclave (3.6L V6 (310HP) / 2.5L Turbo 4-Cyl (328HP)), 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 Buick Enclave?
On the Buick Enclave, the 16-pin DLC diagnostic connector is located Driver lower knee bolster panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Buick Enclave 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.

