These 12 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 12 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P26A4 | Engine Coolant Bypass Valve A Position Sensor Circuit | 3 ranked fixes |
| P26A5 | Engine Coolant Bypass Valve A Position Sensor Circuit Range/Performance | 3 ranked fixes |
| P26A6 | Engine Coolant Bypass Valve A Position Sensor Circuit Low | 3 ranked fixes |
| P26A7 | Engine Coolant Bypass Valve A Position Sensor Circuit High | 3 ranked fixes |
| P26A8 | Engine Coolant Bypass Valve A Position Sensor Circuit Intermittent/Erratic | 3 ranked fixes |
| P26A9 | Engine Coolant Bypass Valve A Position Sensor Stop/Minimum Stop Performance | 3 ranked fixes |
| P26AA | Engine Coolant Bypass Valve A Position Sensor Maximum Stop Performance | 3 ranked fixes |
| P2AA7 | Engine Coolant Bypass Valve B Position Sensor Circuit | 3 ranked fixes |
| P2AA8 | Engine Coolant Bypass Valve B Position Sensor Circuit Range/Performance | 3 ranked fixes |
| P2AA9 | Engine Coolant Bypass Valve B Position Sensor Circuit Low | 3 ranked fixes |
| P2AAA | Engine Coolant Bypass Valve B Position Sensor Circuit High | 3 ranked fixes |
| P2AAB | Engine Coolant Bypass Valve B Position Sensor Circuit Intermittent/Erratic | 3 ranked fixes |
This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:
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