Mazda B-Series 1998-06

4.0L V6 VIN E Auto 2

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Trouble Code: P1754



Transmission Coast Clutch Solenoid Circuit Malfunction

Possible Causes:



CCS control circuit is open
 
CCS control circuit is shorted to ground
 
CCS control circuit is shorted to power
 
CCS is damaged or has failed
 
TCM has failed
 

Trouble Code: P1780



Transmission Control Switch Circuit Malfunction (Self-Test

Possible Causes:



TCS switch not cycled at the proper time in the KOER Self-Test
 
TCS switch signal circuit is open or shorted to ground
 
TCS switch signal circuit is shorted to VREF or system power
 
TCS switch is damaged, out-of-adjustment or has failed
 
PCM has failed
 

Trouble Code: P1781



Transmission 4x4 Low Switch Circuit Malfunction

Possible Causes:



4x4 switch not cycled at the correct time during the Self-Test
 
4x4 switch signal circuit is open or shorted to ground
 
4x4 switch signal circuit is shorted to VREF or system power
 
4x4 switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P1783



Transmission Fluid Temperature Sensor Circuit High Input

Possible Causes:



ATF level is low, or the fluid is contaminated or burnt
 
Vehicle driven with excessive loads, or trailer towing conditions
 
TCC clutch is damaged or has failed (it may be slipping)
 
TFT sensor signal circuit is open (an intermittent fault)
 
Transaxle cooling system is damaged or has failed
 
PCM has failed
 

Trouble Code: P1900



Output Speed Sensor Circuit Malfunction

Possible Causes:



OSS signal circuit is open (an intermittent fault)
 
OSS signal circuit is shorted to ground (an intermittent fault)
 
OSS signal circuit is shorted to system power (intermittent fault)
 
OSS is damaged or has failed (an intermittent fault)
 
PCM has failed
 

Trouble Code: U0073



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U0101



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U0121



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U0155



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U0167



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U0302



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1020



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
A/C System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1039



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Speed System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1040



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Speed System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1051



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
ABS System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1131



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Fuel System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1147



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1451



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Anti-Theft System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1262



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Anti-Theft System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U1900



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U2013



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U2023



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U2050



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U2051



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

Trouble Code: U2243



Data Circuit Malfunction

Possible Causes:



SCP data bus to other controller(s) is open or shorted to ground
 
Vehicle Security System controller is damaged or has failed
 
PCM has failed
 

 
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