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Home / DTC / C1375 — Rear outlet valve

C1375 — Rear outlet valve

Detailed page for trouble code C1375.

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Code

C1375

MITSUBISHI C — Chassis

Rear outlet valve

Brand: MITSUBISHI
Type: C — Chassis
AI status
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Page language: EN

Causes

  • Open or short in the rear outlet valve electrical circuit (wiring, connector)
  • Corroded or loose connector at the ABS actuator/valve assembly
  • Failed rear outlet solenoid/valve (stuck open/closed or coil failure)
  • Faulty ABS actuator module or internal valve block
  • Low or contaminated brake fluid, or internal hydraulic blockage
  • Blown fuse or poor power/ground to ABS module

Symptoms

  • ABS warning lamp illuminated
  • Traction control/ESC lamp may also be on
  • ABS may not activate during hard braking; longer stopping distances or reduced stability
  • Unusual brake pedal feel (pulsation or firmer/softer pedal under ABS activation)
  • Possible intermittent ABS faults or limp ABS operation

What to check

  • Use a scan tool to read/record all ABS codes and freeze frame data
  • Perform ABS actuator/solenoid output tests with a capable diagnostic tool (actuator test)
  • Visually inspect connector and wiring for damage, corrosion, or loose pins at ABS actuator
  • Check fuses and power/ground to ABS control module
  • Check brake fluid level and condition; look for contamination or air
  • Measure resistance of the rear outlet solenoid coil and compare to factory spec

Signal parameters

  • Rear outlet solenoid coil resistance: compare to factory specification (measure with multimeter, engine off)
  • Supply voltage to ABS module: battery voltage (~12 V) present at module power input and fuse
  • Ground continuity: low resistance ground to chassis from ABS module
  • Actuator command signal: pulsed voltage or PWM from ABS module during actuator test (scan tool required)
  • Noisy or erratic signal readings may indicate intermittent wiring/connector faults

Diagnostic algorithm

  1. Read and record all codes, clear codes, then re-scan to confirm C1375 returns.
  2. Inspect the ABS actuator/valve assembly connector and wiring harness for damage, corrosion, or loose pins. Repair as necessary.
  3. Verify power and ground at the ABS module (with ignition ON). Check relevant fuses and fusible links.
  4. With ignition OFF, measure the rear outlet solenoid coil resistance at the valve connector; compare to factory spec. Replace valve if out of range.
  5. Perform an ABS actuator/solenoid functional test with a factory-level scan tool. Observe commanded response and monitor for code reappearance.
  6. If the solenoid does not respond electrically but coil resistance is good, check wiring continuity from module to valve and inspect/repair any opens or shorts.
  7. If wiring and solenoid are good but fault persists, consider replacing or rebuilding the ABS actuator/valve block or replacing the ABS control module following manufacturer procedures.
  8. After repairs, bleed the brake system per factory procedure, clear codes, and perform a road test and final scan to confirm the fault is resolved.

Likely causes

  • Damaged wiring or poor connector contact at the rear outlet valve
  • Rear outlet solenoid coil open or shorted
  • Contaminated or mechanically seized valve in ABS hydraulic unit
  • ABS actuator/module internal failure

Fault status

⚠️ Status
ABS fault: rear outlet valve circuit or valve malfunction detected. This may disable proper ABS operation and affect vehicle stability control until repaired.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

C1371 C1372 C1251 C1201 C1234
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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