P273C

Gear Shift Control Module A Supply Voltage Low

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

Check battery and generator voltage
Inspect wiring and connectors for damage
Check fuses and relays
Diagnose the gear shift control module
Replace faulty components

Related codes

P273D P273E P273F