Skip to content

Powertrain

P1C30

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

Narrow by vehicle

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

Scan worksheet →

Manufacturer communications

3

Original wording in English

View all ↗

23-NA-193 ↗

CHEVROLET, GMC

This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.

079815 ↗

SUBARU

Relay Freezing Causing DTCs P1C30 and U0110

07-98-15 ↗

SUBARU

THIS BULLETIN ANNOUNCES A CHANGE TO THE POWER SUPPLY RELAY USED FOR THE DRIVE MOTOR CONTROL MODULE (DMCM) AND THE COOLING FAN / DRIVE MOTOR INVERTER. IN SPECIFIC COLD CLIMATE (BELOW FREEZING) CONDITIONS, IF THERE IS A SMALL AMOUNT OF CONDENSATION INSIDE THE RELAY, IT CAN IN RARE CASES FREEZE AND CAUSE THE RELAY TO REMAIN OPEN WH…

Check vehicle applicability

4

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

View all ↗

MakeModelModel year
ChevroletSILVERADO 1500 ↗2023
GMCSIERRA 1500 ↗2023
SubaruCROSSTREK ↗2014
SubaruXV CROSSTREK ↗2014

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.