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Motor (P)
The second glow plug control module reports over-temperature. Sustained current draw or insufficient cooling h…
The torque feedback signal A reads above its valid range. Source module sends an implausibly high value or the…
The torque feedback signal B from a second torque user is missing or invalid. The engine controller cannot coo…
The torque feedback signal B is present but its value is implausible against measured engine load and speed. S…
The torque feedback signal B reads below its valid range. Source sends a value below physical possibility or t…
The torque feedback signal B reads above its valid range. Source sends an implausibly high value or the bus si…
The controller cannot drive the rocker arm switching actuator A on bank 1 (used in cylinder deactivation syste…
The rocker arm actuator A on bank 1 is commanded to engage (high lift or all-cylinder mode) but does not switc…
On variable valve lift systems (e.g. Honda VTEC) the ECU detects that the bank 1 rocker arm actuator is stuck …
Voltage on the rocker arm actuator A control line on bank 1 is below the expected window. Usually a short to g…
Voltage on the rocker arm actuator A control line on bank 1 is above the expected window. Typical causes are a…
The position sensor that confirms the A rocker arm switching state on bank 1 returns no usable signal. Closed-…
The position sensor reading does not transition cleanly between the two valve lift modes on bank 1. Sensor dri…
The position sensor signal is below the lower diagnostic threshold. Usually a shorted sensor or short to groun…
The position sensor signal is above the upper diagnostic threshold. Common causes are an open sensor or a shor…
The position sensor signal jumps or drops out intermittently. Usually a loose connector or a chafed wire in th…
The engine controller cannot read a valid engine serial number from its non-volatile memory, or the stored val…
The controller cannot drive the rocker arm switching actuator B on bank 1. The second valve lift mode cannot b…
The rocker arm actuator B on bank 1 is commanded to engage but does not switch. Engine stays in the wrong lift…
The rocker arm actuator B on bank 1 stays in the activated state when commanded off. Engine cannot return to t…
Voltage on the rocker arm actuator B control line on bank 1 is below the expected window. Usually a short to g…
Voltage on the rocker arm actuator B control line on bank 1 is above the expected window. Typical causes are a…
The controller cannot drive the rocker arm switching actuator A on bank 2. The valve lift mode cannot be switc…
The rocker arm actuator A on bank 2 is commanded to engage but does not switch. Engine stays in the wrong lift…