Code result
P0942
Hydraulic Pump Motor Relay Control Circuit Low
High severity
What it means
The TCM detects a generic fault in the hydraulic pressure unit. Pump output, pressure regulation, or accumulator function impaired.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Hydraulic pump worn
highOne of the most commonly reported causes for this code — check this first.
Internal leakage
mediumA plausible cause — test and verify before replacing parts.
Related help
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