OBD Guide
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P1831

PC Solenoid Power Circuit Low Voltage

P1831 is an OBD-II diagnostic trouble code meaning: PC Solenoid Power Circuit Low Voltage. Common causes: open or short circuit in solenoid circuit, pc solenoid malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Slipping when switching
  • Activation of automatic transmission emergency mode
  • Check Engine light comes on
  • Reduced vehicle dynamics

Causes

  • Open or short circuit in solenoid circuit
  • PC solenoid malfunction
  • Problems with connectors or wiring harness
  • Transmission control module (TCM) malfunction
  • Poor circuit grounding

How to Fix

  1. Check the continuity of the solenoid circuit
  2. Check PC solenoid resistance
  3. Inspect connectors and wiring harness for damage
  4. Check voltage at solenoid
  5. If necessary, replace the PC solenoid

Related codes

P1832P1830P1829

Error P1831 by Vehicle Brand

BuickCadillacChevroletGMGMCOldsmobileSaturn

FAQ

What does the P1831 code mean?

P1831 is an OBD-II diagnostic trouble code that indicates: PC Solenoid Power Circuit Low Voltage

What causes a P1831 error code?

The most common causes of P1831 include: Open or short circuit in solenoid circuit; PC solenoid malfunction; Problems with connectors or wiring harness; Transmission control module (TCM) malfunction.

How do I fix a P1831 diagnostic trouble code?

To fix P1831: Check the continuity of the solenoid circuit. Check PC solenoid resistance. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1831?

Limited driving only, diagnose soon

How much does it cost to fix P1831?

The estimated repair cost for P1831 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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