MechanicDB
Família de falhas Sistema: Powertrain (códigos P) 34 códigos SAE

Engine Coolant Bypass Valve Control

Explicação diagnóstica e técnica
Code P2681 (Engine Coolant Bypass Valve A Control Circuit/Open) sets when the ECM detects an open circuit, out-of-range voltage, a range/performance deviation, or a stuck-open/stuck-closed report while driving one of the engine's thermal-management coolant bypass valves (A through D) that hold coolant in the block for faster warm-up and route flow between the radiator, heater core, and oil cooler circuits, and several codes in this family are plain Control Circuit Low or Control Circuit High faults that point directly at an open or shorted valve driver wire. Coolant scale stiffening the rotary valve element until its motor stalls is the leading cause, followed by a failed valve actuator motor and connector corrosion at the valve.

Estes 34 códigos de diagnóstico compartilham um mesmo mecanismo de detecção e um mesmo caminho de reparo; por isso o MechanicDB os agrupa em uma única família de falhas redigida, em vez de repetir a mesma explicação 34 vezes.

Códigos desta família (34)

CódigoDefiniçãoCobertura de reparos
P2681Engine Coolant Bypass Valve A Control Circuit/Open4 reparos classificados
P2682Engine Coolant Bypass Valve A Control Circuit Low4 reparos classificados
P2683Engine Coolant Bypass Valve A Control Circuit High4 reparos classificados
P26A3Engine Coolant Bypass Valve A Range/Performance4 reparos classificados
P26ABEngine Coolant Bypass Valve A Stuck/Open4 reparos classificados
P26ACEngine Coolant Bypass Valve B Control Circuit/Open4 reparos classificados
P26ADEngine Coolant Bypass Valve B Control Circuit Low4 reparos classificados
P26AEEngine Coolant Bypass Valve B Control Circuit High4 reparos classificados
P26AFEngine Coolant Bypass Valve B Stuck/Open4 reparos classificados
P26B0Engine Coolant Bypass Valve B Range/Performance4 reparos classificados
P26B1Engine Coolant Bypass Valve A Stuck Closed4 reparos classificados
P26B2Engine Coolant Bypass Valve B Stuck Closed4 reparos classificados
P26B7Engine Coolant Bypass Valve C Control Circuit/Open4 reparos classificados
P26B8Engine Coolant Bypass Valve C Control Circuit Low4 reparos classificados
P26B9Engine Coolant Bypass Valve C Control Circuit High4 reparos classificados
P26BAEngine Coolant Bypass Valve C Stuck/Open4 reparos classificados
P26BBEngine Coolant Bypass Valve C Range/Performance4 reparos classificados
P26BCEngine Coolant Bypass Valve C Stuck Closed4 reparos classificados
P26BDEngine Coolant Bypass Valve D Control Circuit/Open4 reparos classificados
P26BEEngine Coolant Bypass Valve D Control Circuit Low4 reparos classificados
P26BFEngine Coolant Bypass Valve D Control Circuit High4 reparos classificados
P26C0Engine Coolant Bypass Valve D Stuck/Open4 reparos classificados
P26C1Engine Coolant Bypass Valve D Range/Performance4 reparos classificados
P26C2Engine Coolant Bypass Valve D Stuck Closed4 reparos classificados
P2CF8Engine Coolant Bypass Valve D Control Circuit Driver Current/Temperature Too High4 reparos classificados
P2DE7Cold Start Engine Coolant Bypass Valve C Range/Performance4 reparos classificados
P2DE8Cold Start Engine Coolant Bypass Valve D Stuck Open4 reparos classificados
P2E62Engine Coolant Bypass Valve E Control Circuit/Open4 reparos classificados
P2E63Engine Coolant Bypass Valve E Control Circuit Low4 reparos classificados
P2E64Engine Coolant Bypass Valve E Control Circuit High4 reparos classificados
P2E65Engine Coolant Bypass Valve E Stuck/Open4 reparos classificados
P2E66Engine Coolant Bypass Valve E Range/Performance4 reparos classificados
P2E67Engine Coolant Bypass Valve E Stuck Closed4 reparos classificados
P2E81Cold Start Engine Coolant Bypass Valve D Stuck Closed4 reparos classificados

O que esta página não mostra

Esta página publica o mecanismo da falha e o índice de códigos. O conjunto de dados licenciado acrescenta, para cada um dos 15.886 códigos, o conjunto completo de reparos elaborados pela equipe (56.729 procedimentos no total), com os campos deliberadamente omitidos aqui: