P2157 - Cylinder 4 Injector High Control Circuit High Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Fuel Injector Group 4
  • Fuel Injector Group 4 harness is open or shorted
  • Fuel Injector Group 4 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2157 Description

The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. The ECM energizes each fuel injector by grounding the low control circuit of the fuel injector. The ECM monitors the status of the fuel injector circuits. When a fuel injector circuit condition is detected by the ECM, the affected fuel injector(s) is disabled.
OBDII Code P2157 - Cylinder 4 Injector High Control Circuit High Voltage - AutoCodes.com

P2157 Information for specific makes

  • P2157 BUICK Cylinder 4 Injector High Control Circuit High Voltage
  • P2157 CADILLAC Cylinder 4 Injector High Control Circuit High Voltage
  • P2157 CHEVROLET Cylinder 4 Injector High Control Circuit High Voltage
  • P2157 DODGE Cylinder 4 Injector High Control Circuit High Voltage
  • P2157 GMC Cylinder 4 Injector High Control Circuit High Voltage

Need more help?

Get the P2157 code diagnosed by a professional: Find a repair shop in your area

Related Information

P2157 Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P2157 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧