C1288 on RAM 1500 TRX
Factory diagnostic protocol and troubleshooting wire for fault code C1288 specifically for the RAM 1500 TRX (2021–2024, 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)).
1. Symptoms of C1288 on RAM 1500 TRX
When the Engine Control Module (ECM/PCM) on your RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)) logs fault code C1288, drivers commonly observe:
2. Most Likely Causes on RAM 1500 TRX
Historical warranty claims and technical repair bulletins for RAM 1500 TRX point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for RAM 1500 TRX
Monitor brake pressure transducer PID. It should read near 0 bar unpressed and climb smoothly to 80+ bar when pressing pedal. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Unplug ABS connector and check for bent pins or brake fluid contamination. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Replace the ABS HCU / pump assembly or send unit to a certified rebuilder to replace the internal pressure transducer. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Run scan tool automated bleed procedure to purge air from ABS valves, then bleed all 4 calipers. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Clear DTCs and road test to verify AdvanceTrac operation. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Equipment for Diagnosing RAM 1500 TRX (C1288)
RAM 1500 TRX OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for RAM 1500 TRX.
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 RAM 1500 TRX
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the RAM 1500 TRX:
4. RAM 1500 TRX C1288 FAQs
What causes code C1288 to trigger on a RAM 1500 TRX?
On the RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)), 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 RAM 1500 TRX?
On the RAM 1500 TRX, the 16-pin DLC diagnostic connector is located Driver lower dash assembly next to hood release lever. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my RAM 1500 TRX 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.