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Home / DTC / P1835 — Shift solenoid 2 short

P1835 — Shift solenoid 2 short

Detailed page for trouble code P1835.

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Code

P1835

MITSUBISHI P — Powertrain

Shift solenoid 2 short

Brand: MITSUBISHI
Type: P — Powertrain
AI status
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Page language: EN

Causes

  • Damaged wiring harness (abrasion, chafing, pinched conductor) to shift solenoid 2
  • Corroded/loose connector or poor pin contact at solenoid or TCM
  • Shift solenoid 2 internal coil failure (shorted coil)
  • Short to battery (power) or short to ground in solenoid circuit
  • Faulty TCM/transmission control driver transistor
  • Intermittent contact due to water ingress or foreign material

Symptoms

  • MIL (Check Engine/Transmission) illuminated
  • Transmission stuck in limp/low gear or limited shift range
  • Harsh, erratic or delayed shifting for affected gear(s)
  • Transmission fault codes present and stored freeze-frame data
  • Possible inability to shift into a specific gear or slippage

What to check

  • Read and record all transmission/engine codes and freeze frame data with a capable scan tool
  • Check live data for shift solenoid status and TCM requests while commanding solenoid 2 ON/OFF
  • Visual inspection of transmission harness and connector for damage, corrosion, water entry
  • Check fuses/relays related to transmission control circuits
  • Back-probe solenoid connector and measure resistance and voltage (see signal parameters)
  • Wiggle harness while monitoring for changes in circuit voltage or live data

Signal parameters

  • Typical supply voltage to solenoid circuit with key ON: approx. 11–14 V (battery voltage)
  • Typical coil resistance (varies by design): roughly 8–40 Ω — consult OEM spec for exact value; open = OL (very high), short = very low (
  • When activated the TCM will typically modulate the driver with a PWM signal between 0–12 V (duty cycle varies with command)
  • A short to ground: measured voltage at solenoid connector low/near 0 V when it should be pulled to battery or when driver off; short to battery: voltage present when driver is off

Diagnostic algorithm

  1. Connect a factory-level or fully capable scan tool. Record P1835 and any related codes and freeze-frame/live data. Clear codes and perform a functional test by commanding Shift Solenoid 2 ON/OFF while monitoring. 2) Perform a thorough visual inspection of the transmission harness, connector, and solenoid connector for damage, corrosion, loose pins, melted insulation, or evidence of fluid ingress. 3) With ignition OFF, disconnect the solenoid connector and measure coil resistance across the solenoid terminals. Compare to OEM spec. Replace solenoid if coil shorted or out of spec. 4) With connector disconnected, check resistance from each solenoid pin to chassis ground and to battery positive to look for an unintended short (low resistance to ground or battery). 5) With ignition ON (engine off) back-probe connector at TCM/solenoid harness: verify supply voltage and driver output behavior while commanding the solenoid. Watch for unexpected constant low voltage (short to ground) or constant battery voltage when driver should switch. 6) If wiring checks indicate open/short or intermittent fault, trace and repair harness (repair or replace damaged section, repair pins/connector). 7) If wiring and solenoid are good but the circuit still shows a short, test TCM driver output for shorted transistor — if suspected, consult OEM procedures; replacement of TCM may be required. 8) After repair or replacement, clear codes and perform road test with scan tool to confirm correct operation and no reoccurrence of P1835.

Likely causes

  • Wiring short to ground at or near the transmission harness (most common)
  • Corroded/poor connector or bent pin at the solenoid connector
  • Internal short in the solenoid coil
  • Faulty TCM output driver (less common)

Fault status

⚠️ Status
TCM detected abnormally low resistance (short) in Shift Solenoid 2 circuit. Indicates short to ground/power, internal solenoid coil short, or driver fault.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

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406

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