OBD Guide
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P1847

2-3 Shift Solenoid Circuit High Input Voltage

P1847 is an OBD-II diagnostic trouble code meaning: 2-3 Shift Solenoid Circuit High Input Voltage. Common causes: short circuit in solenoid circuit, shift solenoid malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Delays when switching to 3rd gear
  • Transmission of the gearbox into emergency mode
  • Increased engine speed when switching
  • Check Engine Light Illuminates

Causes

  • Short circuit in solenoid circuit
  • Shift solenoid malfunction
  • Wiring Harness Problems
  • Transmission control module (TCM) malfunction
  • Poor connection or corrosion in connectors

How to Fix

  1. Check the continuity of the solenoid circuit
  2. Check solenoid resistance
  3. Inspect connectors and wiring harness for damage
  4. Replace shift solenoid if necessary
  5. Check and, if necessary, replace the transmission control unit

Related codes

P1846P1848P1849

Error P1847 by Vehicle Brand

BuickCadillacChevroletGMGMCOldsmobileSaturnVolkswagen

FAQ

What does the P1847 code mean?

P1847 is an OBD-II diagnostic trouble code that indicates: 2-3 Shift Solenoid Circuit High Input Voltage

What causes a P1847 error code?

The most common causes of P1847 include: Short circuit in solenoid circuit; Shift solenoid malfunction; Wiring Harness Problems; Transmission control module (TCM) malfunction.

How do I fix a P1847 diagnostic trouble code?

To fix P1847: Check the continuity of the solenoid circuit. Check solenoid resistance. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1847?

Limited driving only, diagnose soon

How much does it cost to fix P1847?

The estimated repair cost for P1847 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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