OBD Guide

P273C

Gear Shift Control Module A Supply Voltage Low

P273C is an OBD-II diagnostic trouble code meaning: Gear Shift Control Module A Supply Voltage Low. Common causes: problems with wiring or connectors, faulty relay or fuse. 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
  • Switching delays
  • Switching to emergency mode
  • Check Engine Light Illuminates
  • Reduced vehicle dynamics

Causes

  • Problems with wiring or connectors
  • Faulty relay or fuse
  • Battery or alternator problems
  • Shift control module malfunction
  • Short circuit in the circuit

How to Fix

  1. Check battery and generator voltage
  2. Inspect wiring and connectors for damage
  3. Check fuses and relays
  4. Diagnose the gear shift control module
  5. Replace faulty components

Related codes

Error P273C by Vehicle Brand

FAQ

What does the P273C code mean?

P273C is an OBD-II diagnostic trouble code that indicates: Gear Shift Control Module A Supply Voltage Low

What causes a P273C error code?

The most common causes of P273C include: Problems with wiring or connectors; Faulty relay or fuse; Battery or alternator problems; Shift control module malfunction.

How do I fix a P273C diagnostic trouble code?

To fix P273C: Check battery and generator voltage. Inspect wiring and connectors for damage. Check fuses and relays. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P273C?

Limited driving only, diagnose soon

How much does it cost to fix P273C?

The estimated repair cost for P273C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat