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C1288 on Chrysler Pacifica

Brake Pressure Transducer Primary Input Circuit Failure

Factory diagnostic protocol and troubleshooting wire for fault code C1288 specifically for the Chrysler Pacifica (2020–2026, 3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV).

Verified OEM Telemetry & Field Repair Tree
Chrysler Pacifica2020–2026
Chrysler Pacifica
Van3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Pacifica SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Not Recommended
High urgency level
Est. Repair Cost
$350 - $1,200 (DIY: $150 - $400)
Parts & Labor DIY
Check C1288 On Another Chrysler Model:
Diagnose C1288 on Specific Pacifica Model Year:

1. Symptoms of C1288 on Chrysler Pacifica

When the Engine Control Module (ECM/PCM) on your Chrysler Pacifica (3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV) logs fault code C1288, drivers commonly observe:

ABS and AdvanceTrac warning lights on on Chrysler Pacifica (3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV)
Brake warning chime on startup on Chrysler Pacifica (3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV)
No ABS anti-lock function during hard panic stops on Chrysler Pacifica (3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV)
Chrysler Pacifica OBD-II Port Location
The 16-pin diagnostic connector is located Beneath driver steering column bezel. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chrysler Pacifica

Historical warranty claims and technical repair bulletins for Chrysler Pacifica point to the following failure distribution:

55%
Failed internal brake pressure transducer inside the ABS Hydraulic Control Unit (HCU) (Chrysler OEM Part)
25%
Corroded pins in ABS module electrical connector (Chrysler OEM Part)
12%
Low brake fluid level or contaminated brake fluid with moisture (Chrysler OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Chrysler Pacifica.

3. Step-by-Step DIY Repair Guide for Chrysler Pacifica

01
Check Brake Pressure Live Data

Monitor brake pressure transducer PID. It should read near 0 bar unpressed and climb smoothly to 80+ bar when pressing pedal. on the Chrysler Pacifica equipped with 3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV.

Required Tool: ABS Capable Scan Tool
02
Inspect ABS Module Harness

Unplug ABS connector and check for bent pins or brake fluid contamination. on the Chrysler Pacifica equipped with 3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV.

Required Tool: Flashlight
03
Replace/Rebuild ABS Hydraulic Control Unit (HCU)

Replace the ABS HCU / pump assembly or send unit to a certified rebuilder to replace the internal pressure transducer. on the Chrysler Pacifica equipped with 3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV.

Required Tool: Line Wrenches, Bleeder Kit, Socket Set
04
Perform Automated ABS Brake Bleed

Run scan tool automated bleed procedure to purge air from ABS valves, then bleed all 4 calipers. on the Chrysler Pacifica equipped with 3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV.

Required Tool: Scan Tool with Automated Bleed, Brake Fluid
05
Clear ABS Codes

Clear DTCs and road test to verify AdvanceTrac operation. on the Chrysler Pacifica equipped with 3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV.

Required Tool: Scan Tool
Recommended Parts & Testing Tools

Equipment for Diagnosing Chrysler Pacifica (C1288)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Chrysler Pacifica OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Pacifica.

$45 – $95 Prime
Check Fitment on Amazon
Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Chrysler PacificaVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Chrysler Pacifica

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler Pacifica:

4. Chrysler Pacifica C1288 FAQs

What causes code C1288 to trigger on a Chrysler Pacifica?

On the Chrysler Pacifica (3.6L Pentastar V6 (287HP) / 3.6L Plug-In Hybrid eFlite EV), 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 Chrysler Pacifica?

On the Chrysler Pacifica, the 16-pin DLC diagnostic connector is located Beneath driver steering column bezel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Chrysler Pacifica 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.