P1875moderate severityPowertrain
AWD Signal Malfunction
on 1998 Acura RL 3.5L V6 · FWD
What this code means
The transmission control module is not receiving a proper all-wheel-drive signal. This is a Honda manufacturer-specific code with no direct generic OBD-II equivalent.
Symptoms
- AWD warning light on
- Reduced or lost AWD function
- Transmission fault indicator on
Common causes
- Faulty AWD control unit
- Wiring or connector fault in AWD circuit
- Bad wheel speed sensor input
- Poor communication between modules
Diagnostic steps
- Scan all modules for AWD-related codes
- Inspect AWD control wiring and connectors
- Check wheel speed sensor signals
- Verify module communication on network
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1